{"kind":"episode","subject":"site-a:pump-5","answer":{"diagnosis_code":"misalignment","hypothesis":"Axial vibration rose ~34% above the pump's own 24-hour baseline (2.76 vs 2.06) while radial vibration (3.108 vs 3.101) and current (30.01 vs 30.00) stayed flat, which per the decision rule points at shaft misalignment rather than bearing wear, probe fault, or load change.","summary":"selected misalignment at confidence 0.75; missing: Axial vibration trend over time after the rise; 24-hour temperature baseline; Axial probe health check or cross-sensor validation","intents":[{"type":"schedule_maintenance","risk":"R1","parameters":{"work_order":"misalignment"}}]}}
{"kind":"episode","subject":"site-a:pump-7","answer":{"diagnosis_code":"misalignment","hypothesis":"Axial vibration rose ~34% above the pump's own 24-hour baseline (2.06 to 2.75) while radial vibration (3.10 vs 3.10) and current (30.0 vs 30.0) stayed flat, which per the decision rules isolates the shaft axis and points to misalignment. No load rise rules out overload, and the elevation has not settled, so this is not a self-clearing transient.","summary":"selected misalignment at confidence 0.85; missing: Longer-horizon axial trend or per-sample series; 24-hour temperature baseline; Radial probe health check or cross-channel verification","intents":[{"type":"schedule_maintenance","risk":"R1","parameters":{"work_order":"misalignment"}}]}}
{"kind":"episode","subject":"site-a:pump-6","answer":{"diagnosis_code":"bearing_wear","hypothesis":"Radial vibration is ~34% above the pump's own 24-hour mean (4.24 vs 3.17) while axial vibration and motor current sit flat at baseline, so the fault is on the radial path: bearing wear is the leading cause, with a probe reading high (drift) as the main alternative. The rise persists in the 15-minute mean, so it is not a self-settling transient.","summary":"selected bearing_wear at confidence 0.55; missing: No second vibration sensor or probe cross-check; No 24-hour temperature baseline; No fine-grained vibration trace over the last hour","intents":[{"type":"schedule_maintenance","risk":"R1","parameters":{"work_order":"bearing_wear"}}]}}
{"kind":"episode","subject":"site-a:pump-3","answer":{"diagnosis_code":"misalignment","hypothesis":"Axial vibration is elevated ~34% above the pump's own 24-hour baseline while radial vibration and motor current are flat, which by the decision rule points at the shaft: misalignment. There is no evidence the rise is settling on its own, and current/temperature show no overload signal.","summary":"selected misalignment at confidence 0.72; missing: Longer axial-vibration trend (several hours) to confirm persistence; Pump 24-hour temperature baseline alongside the 15m mean; Recalled prior cases or probe health check for the axial sensor","intents":[{"type":"schedule_maintenance","risk":"R1","parameters":{"work_order":"misalignment"}}]}}
{"kind":"episode","subject":"site-a:pump-8","answer":{"diagnosis_code":"bearing_wear","hypothesis":"Radial vibration is up ~31% versus the pump's own 24-hour mean while axial vibration, current, and temperature sit at baseline, matching a sustained radial-only rise: bearing wear is the most consistent cause. The flat axial channel argues against probe-wide drift or misalignment, and flat current rules out overload.","summary":"selected bearing_wear at confidence 0.62; missing: A longer-horizon vibration trend (days to weeks) or raw waveform; A second independent radial probe or cross-channel check","intents":[{"type":"schedule_maintenance","risk":"R1","parameters":{"work_order":"bearing_wear"}}]}}
{"kind":"episode","subject":"site-a:pump-4","answer":{"diagnosis_code":"bearing_wear","hypothesis":"Radial vibration rose about 31% above the pump's own 24-hour mean while axial vibration and motor current stayed flat, so the fault is in the bearing path rather than the shaft or the load. With no pinned-flat trace or temperature rise on record to exonerate the probe, bearing wear is the leading cause and sensor drift the main alternative.","summary":"selected bearing_wear at confidence 0.55; missing: 24-hour temperature mean; Raw vibration trend shape over the 24-hour window; Vibration spectrum or probe cross-check","intents":[{"type":"schedule_maintenance","risk":"R1","parameters":{"work_order":"bearing_wear"}}]}}
{"kind":"draft","subject":"misalignment","answer":{"when":"((features.axial_mean_15m / features.axial_mean_24h) \u003e= 1.25) \u0026\u0026 (features.heartbeat_missing_5m == false)","usage":{"input_tokens":1138,"output_tokens":1684}}}
{"kind":"episode","subject":"site-a:pump-7","answer":{"diagnosis_code":"bearing_wear","hypothesis":"Radial vibration (15m mean 4.11) is ~33% above the pump's own 24h baseline (3.08) while axial vibration, current, and temperature all sit at baseline, so the fault is in the bearing, not the shaft, the load, or a self-settling transient. A probe error is a secondary possibility, but the sustained elevation without pinning makes bearing_wear the most probable cause.","summary":"selected bearing_wear at confidence 0.62; missing: Vibration time series / trend shape over several hours; Cross-check of the vibration probe (spare sensor or process-side correlation); 24h temperature baseline (temperature_mean_24h absent)","intents":[{"type":"schedule_maintenance","risk":"R1","parameters":{"work_order":"bearing_wear"}}]}}
{"kind":"episode","subject":"site-a:pump-1","answer":{"diagnosis_code":"bearing_wear","hypothesis":"Radial vibration (15m mean 4.29) is ~35% above the pump's 24h baseline (3.18) while axial vibration and current sit exactly at baseline, so the rise is radial-only and sustained across the 15m window rather than a self-settling transient — this points to bearing wear rather than misalignment, overload, or probe failure.","summary":"selected bearing_wear at confidence 0.62; missing: No 24h temperature baseline; No raw vibration time series or max/min samples; No adjacent or redundant probe readings","intents":[{"type":"schedule_maintenance","risk":"R1","parameters":{"work_order":"bearing_wear"}}]}}
{"kind":"episode","subject":"site-a:pump-8","answer":{"diagnosis_code":"bearing_wear","hypothesis":"Radial vibration is running ~34% above the pump's own 24-hour mean (4.21 vs 3.14) while axial vibration and motor current sit flat against their baselines, and the elevation has not settled in the 15-minute mean. A radial-only rise against the pump's own baseline points at the bearing rather than the shaft or load.","summary":"selected bearing_wear at confidence 0.62; missing: vibration trend shape over the full 24 hours (time series, not just means); temperature 24-hour baseline (temperature_mean_24h); vibration probe self-test or cross-probe comparison","intents":[{"type":"schedule_maintenance","risk":"R1","parameters":{"work_order":"bearing_wear"}}]}}
{"kind":"episode","subject":"site-a:pump-5","answer":{"diagnosis_code":"bearing_wear","hypothesis":"Radial vibration is up ~35% against the pump's own 24-hour baseline (4.15 vs 3.08) while axial vibration and motor current sit flat at their baselines, which per the decision rule isolates the fault to the bearing rather than the shaft or the load. With no evidence the probe has pinned or that the rise is settling on its own, bearing_wear is the leading cause, with sensor_drift as the main alternative since the pump otherwise looks healthy.","summary":"selected bearing_wear at confidence 0.45; missing: Radial vibration trend sampled at finer granularity (e.g., 5-minute points over the last hours); Lubrication service history / time since last greasing; Cross-check of the radial probe against a second sensor or spectrum signature at bearing fault frequencies; 24-hour temperature baseline","intents":[{"type":"install_watch_condition","risk":"R0","parameters":{"expires_at":"2026-10-29T21:02:26Z","expression":"features.vibration_mean_15m \u003e= 4.0","max_fires":3,"metric":"vibration_mean_15m","target":"site-a:pump-5","threshold":4}}]}}
{"kind":"episode","subject":"site-a:pump-3","answer":{"diagnosis_code":"misalignment","hypothesis":"Axial vibration rose ~32% above the pump's own 24-hour mean (2.71 vs 2.05) while radial vibration (3.09 vs 3.02) and motor current (30.03 vs 30.00) stayed flat, which per the baseline rules isolates the fault to the shaft: misalignment. With no sign of the rise settling and no radial or current signature, bearing wear, overload, and transient causes are down-weighted.","summary":"selected misalignment at confidence 0.72; missing: A short-interval trend of the axial signal after the rise; A 24-hour temperature baseline to pair with the 15m value; A cross-check from a redundant or adjacent vibration probe","intents":[{"type":"schedule_maintenance","risk":"R1","parameters":{"work_order":"misalignment"}}]}}
{"kind":"episode","subject":"site-a:pump-6","answer":{"diagnosis_code":"bearing_wear","hypothesis":"Radial vibration is running ~16% above the pump's own 24-hour mean (5.32 vs 4.59) while axial vibration, current, and temperature are flat against their baselines, so the fault is isolated to the radial path — most consistent with bearing wear rather than a shaft, load, or sensor cause. The 15-minute mean shows no sign of settling, so it is not a self-resolving transient.","summary":"selected bearing_wear at confidence 0.55; missing: Vibration time series over the episode; Cross-check from a second vibration channel or probe health status; Temperature 24-hour baseline","intents":[{"type":"schedule_maintenance","risk":"R1","parameters":{"work_order":"bearing_wear"}}]}}
{"kind":"draft","subject":"bearing_wear","answer":{"when":"(features.vibration_mean_15m / features.vibration_mean_24h) \u003e 1.25 \u0026\u0026 features.heartbeat_missing_5m == false","usage":{"input_tokens":1150,"output_tokens":1440}}}
{"kind":"draft","subject":"bearing_wear","answer":{"when":"((features.vibration_mean_15m / features.vibration_mean_24h) \u003e= 1.25) \u0026\u0026 (!features.heartbeat_missing_5m)","usage":{"input_tokens":1600,"output_tokens":1582}}}
{"kind":"episode","subject":"site-a:pump-3","answer":{"diagnosis_code":"bearing_wear","hypothesis":"Radial vibration is up ~34% versus the pump's own 24-hour baseline while axial vibration and motor current stay flat, which by the diagnostic rule isolates the fault to the bearing rather than the shaft or the load.","summary":"selected bearing_wear at confidence 0.45; missing: Raw vibration trend samples or rate-of-change series; An independent vibration measurement or redundant probe reading; A 24-hour temperature baseline","intents":[{"type":"install_watch_condition","risk":"R0","parameters":{"expires_at":"2026-10-29T21:09:24Z","expression":"features.vibration_mean_15m \u003e= 4.0","max_fires":3,"metric":"vibration_mean_15m","target":"site-a:pump-3","threshold":4}}]}}
{"kind":"episode","subject":"site-a:pump-4","answer":{"diagnosis_code":"misalignment","hypothesis":"Axial vibration rose ~34% versus the pump's own 24-hour baseline (2.755 vs 2.057) while radial vibration and motor current stayed flat, which matches an axial-only signature pointing at the shaft. Per the catalog this diagnoses misalignment, so the pump keeps running and the misalignment work order should be booked.","summary":"selected misalignment at confidence 0.8; missing: 24-hour temperature baseline (only a 15-minute temperature mean is given); No redundant probe or cross-channel reading to validate the axial sensor itself","intents":[{"type":"schedule_maintenance","risk":"R1","parameters":{"work_order":"misalignment"}}]}}
{"kind":"episode","subject":"site-a:pump-1","answer":{"diagnosis_code":"misalignment","hypothesis":"The 15-minute axial vibration mean (2.75) sits ~34% above the pump's own 24-hour axial baseline (2.06), while radial vibration is below baseline (3.12 vs 4.62) and motor current is flat (29.97 vs 29.99), so the drift is an axial rise pointing at the shaft — misalignment — not a bearing, probe, or load issue.","summary":"selected misalignment at confidence 0.85; missing: 24-hour temperature baseline (only a 15-minute temperature mean is available); Short-interval axial vibration trend (e.g., per-minute samples showing whether the rise is settling); Raw probe health signal or pinned-at-max check for the axial vibration channel","intents":[{"type":"schedule_maintenance","risk":"R1","parameters":{"work_order":"misalignment"}}]}}
{"kind":"episode","subject":"site-a:pump-5","answer":{"diagnosis_code":"misalignment","hypothesis":"Axial vibration rose about 33% versus the pump's own 24-hour mean (2.73 vs 2.06) while radial vibration fell and motor current stayed flat, which points at shaft misalignment rather than bearing wear, overload, or a probe fault.","summary":"selected misalignment at confidence 0.62; missing: A 24-hour temperature mean to pair with temperature_mean_15m; A high-resolution vibration series over the last 15 minutes","intents":[{"type":"schedule_maintenance","risk":"R1","parameters":{"work_order":"misalignment"}}]}}
{"kind":"draft","subject":"bearing_wear","answer":{"when":"(features.vibration_mean_15m / features.vibration_mean_24h \u003e 1.1) \u0026\u0026 ((features.vibration_mean_15m - features.vibration_mean_24h) \u003e 0.5)","usage":{"input_tokens":1818,"output_tokens":1790}}}
{"kind":"episode","subject":"site-a:pump-8","answer":{"diagnosis_code":"bearing_wear","hypothesis":"Radial vibration is up ~17% versus the pump's own 24h baseline (5.34 vs 4.57) while axial vibration, current, and temperature are flat, so the rise is radial-only. That pattern points at the bearing first (early bearing wear) with the vibration probe reading high as the main alternative; nothing supports a shaft, load, or self-settling transient cause.","summary":"selected bearing_wear at confidence 0.52; missing: Long-horizon vibration trend (e.g., 7-day) beyond the 15m/24h means; Raw vibration samples or a probe self-check; Independent vibration measurement or second sensor cross-check","intents":[{"type":"schedule_maintenance","risk":"R1","parameters":{"work_order":"bearing_wear"}}]}}
{"kind":"episode","subject":"site-a:pump-6","answer":{"diagnosis_code":"bearing_wear","hypothesis":"Radial vibration rose ~34% above its 24h mean (4.26 vs 3.18) while axial vibration and motor current stayed flat at baseline, so this is a radial-only rise pointing at bearing wear rather than shaft misalignment or overload. Sensor drift on the vibration probe is the main alternative, but there is no cross-check evidence that the pump is healthy, so bearing_wear leads and maintenance is booked for the bearing.","summary":"selected bearing_wear at confidence 0.55; missing: Vibration trend shape over the full 24h (e.g., exponential creep vs step rise); A second, independent vibration measurement or probe cross-check; Whether the radial vibration has settled after the rise; 24h temperature mean","intents":[{"type":"schedule_maintenance","risk":"R1","parameters":{"work_order":"bearing_wear"}}]}}
{"kind":"episode","subject":"site-a:pump-5","answer":{"diagnosis_code":"bearing_wear","hypothesis":"Radial vibration is running ~32% above the pump's own 24-hour baseline (4.17 vs 3.17) while axial vibration and current sit flat at baseline, isolating the fault to the radial channel. A radial-only rise against the pump's own baseline points most strongly at early bearing wear, with a drifting probe the main alternative.","summary":"selected bearing_wear at confidence 0.55; missing: 24-hour temperature baseline (only a 15m temperature mean is provided); Raw vibration trend shape over the window (pinned flat, exponential creep, or settling spike)","intents":[{"type":"schedule_maintenance","risk":"R1","parameters":{"work_order":"bearing_wear"}}]}}
{"kind":"episode","subject":"site-a:pump-8","answer":{"diagnosis_code":"misalignment","hypothesis":"Axial vibration is up ~33% against the pump's own 24-hour baseline (2.72 vs 2.05) while radial vibration is below baseline (3.14 vs 3.80) and current is flat (29.98 vs 30.00). Per the diagnostic rule, an axial rise alone against the pump's own baseline points at the shaft, i.e., misalignment.","summary":"selected misalignment at confidence 0.72; missing: 24-hour temperature baseline for the pump; raw axial vibration time series over the recent window","intents":[{"type":"schedule_maintenance","risk":"R1","parameters":{"work_order":"misalignment"}}]}}
{"kind":"episode","subject":"site-a:pump-3","answer":{"diagnosis_code":"bearing_wear","hypothesis":"Radial vibration rose ~17% against the pump's own 24-hour baseline (5.33 vs 4.54) while axial vibration (2.01 vs 2.00) and current (30.0 vs 30.0) stayed flat, which by the decision rule isolates the radial path — most likely bearing wear rather than a shaft or load problem. Sensor drift is the main alternative since no independent health signal (e.g., a 24h temperature reference) is available to prove the pump is truly distressed.","summary":"selected bearing_wear at confidence 0.55; missing: 24-hour temperature mean; Recent high-resolution vibration samples (trend shape)","intents":[{"type":"schedule_maintenance","risk":"R1","parameters":{"work_order":"bearing_wear"}}]}}
{"kind":"episode","subject":"site-a:pump-4","answer":{"diagnosis_code":"bearing_wear","hypothesis":"Radial vibration is elevated ~35% above the pump's own 24h baseline (4.27 vs 3.17) while axial vibration is below baseline (1.99 vs 3.85) and current is flat (29.99 vs 30.00), matching a radial-only rise. That pattern points at the drive-end bearing or the radial probe itself; axial, load, and current signs are absent, and the 15m mean being still elevated argues it has not settled as a transient.","summary":"selected bearing_wear at confidence 0.38; missing: Vibration trend shape over the last hours (creep, step, pin, or settle); Independent cross-check of the radial probe (redundant sensor or calibration reading); 24h temperature baseline for the pump","intents":[{"type":"install_watch_condition","risk":"R0","parameters":{"expires_at":"2026-10-29T21:26:06Z","expression":"features.vibration_mean_15m \u003e= 4.0","max_fires":3,"metric":"vibration_mean_15m","target":"site-a:pump-4","threshold":4}}]}}
{"kind":"episode","subject":"site-a:pump-3","answer":{"diagnosis_code":"bearing_wear","hypothesis":"Radial vibration is running ~19% above the pump's own 24-hour mean (4.74 vs 4.00) while axial vibration and motor current are flat at baseline, so the rule 'radial rise alone points at the bearing or the probe' applies; with the axial path and load both healthy, bearing wear is the leading cause, with a drifting probe as the main alternative.","summary":"selected bearing_wear at confidence 0.62; missing: Probe health / redundant-channel cross-check; High-resolution vibration trend over several hours; 24-hour temperature mean","intents":[{"type":"schedule_maintenance","risk":"R1","parameters":{"work_order":"bearing_wear"}}]}}
{"kind":"episode","subject":"site-a:pump-1","answer":{"diagnosis_code":"bearing_wear","hypothesis":"Radial vibration is up ~32% against the pump's own 24h baseline (4.31 vs 3.28) while axial vibration, current, and temperature all sit flat on their baselines, so the fault is isolated to the radial plane — most consistent with bearing wear rather than misalignment or overload. Without a time series I cannot fully exclude a self-settling transient or a high-reading probe, but the sustained 15-minute elevation favors a real mechanical cause.","summary":"selected bearing_wear at confidence 0.55; missing: High-resolution vibration time series for the last 24 hours; Cross-check of the vibration probe against an independent sensor; 24-hour temperature baseline mean","intents":[{"type":"schedule_maintenance","risk":"R1","parameters":{"work_order":"bearing_wear"}}]}}
{"kind":"episode","subject":"site-a:pump-6","answer":{"diagnosis_code":"bearing_wear","hypothesis":"Radial vibration rose ~17% above the pump's own 24-hour baseline (5.21 vs 4.46) while axial vibration and motor current stayed flat at their baselines, and the elevation persists in the 15-minute mean rather than settling. A sustained radial-only rise points at bearing wear rather than the shaft (axial), the load (current), or a self-clearing transient.","summary":"selected bearing_wear at confidence 0.52; missing: No 24-hour temperature baseline to compare with temperature_mean_15m (32.03); No raw high-frequency vibration samples or second vibration sensor to cross-check the probe; No vibration spectrum or sample-level trend history","intents":[{"type":"schedule_maintenance","risk":"R1","parameters":{"work_order":"bearing_wear"}}]}}
{"kind":"episode","subject":"site-a:pump-5","answer":{"diagnosis_code":"bearing_wear","hypothesis":"Radial vibration over the last 15 minutes (4.14) is ~34% above this pump's own 24-hour baseline (3.08), while axial vibration and motor current sit at baseline — an isolated radial rise points first at bearing wear, with a drifting probe as the main alternative. Book the bearing-wear work order and keep the pump running under watch.","summary":"selected bearing_wear at confidence 0.55; missing: Vibration time series over the recent window; Probe health or redundant vibration reading; 24-hour temperature baseline","intents":[{"type":"schedule_maintenance","risk":"R1","parameters":{"work_order":"bearing_wear"}}]}}
{"kind":"episode","subject":"site-a:pump-1","answer":{"diagnosis_code":"bearing_wear","hypothesis":"Radial vibration is up ~37% versus the pump's own 24-hour baseline (4.30 vs 3.14) while axial vibration (~2.01 vs ~2.00) and motor current (~29.97 vs ~30.00) sit exactly on baseline. A radial-only rise with a healthy axial channel and normal load points at bearing wear, with a high-reading vibration probe (sensor drift) as the main alternative.","summary":"selected bearing_wear at confidence 0.58; missing: Vibration probe cross-check or calibration reference; High-resolution vibration trend over the last 24 hours","intents":[{"type":"schedule_maintenance","risk":"R1","parameters":{"work_order":"bearing_wear"}}]}}
{"kind":"episode","subject":"site-a:pump-8","answer":{"diagnosis_code":"bearing_wear","hypothesis":"Radial vibration is running ~4.10 over a 24h baseline of ~3.07 (a ~33% rise) while axial vibration, motor current and temperature all sit at or below their baselines, so the fault is isolated to the radial plane — bearing wear, not shaft misalignment or overload. The rise is sustained across the 15-minute window rather than settling, ruling out a self-clearing transient.","summary":"selected bearing_wear at confidence 0.62; missing: Vibration trend/waveform over the 15-minute window; Independent reference measurement or redundant probe reading; 24-hour temperature baseline","intents":[{"type":"schedule_maintenance","risk":"R1","parameters":{"work_order":"bearing_wear"}}]}}
{"kind":"episode","subject":"site-a:pump-7","answer":{"diagnosis_code":"bearing_wear","hypothesis":"Radial vibration is up ~15% versus the pump's own 24-hour baseline (3.14 → 3.62) while axial vibration and motor current are flat, a radial-only rise that points primarily at bearing wear rather than shaft misalignment (axial flat) or load (current flat). Sensor drift on the radial probe remains a live alternative because no corroborating channel confirms real mechanical motion.","summary":"selected bearing_wear at confidence 0.45; missing: No 24-hour temperature baseline; No radial-probe health cross-check (redundant sensor, spectrum, or raw trace); No longer vibration history trend","intents":[{"type":"install_watch_condition","risk":"R0","parameters":{"expires_at":"2026-10-29T21:36:00Z","expression":"features.vibration_mean_15m \u003e= 4.0","max_fires":3,"metric":"vibration_mean_15m","target":"site-a:pump-7","threshold":4}}]}}
{"kind":"episode","subject":"site-a:pump-7","answer":{"diagnosis_code":"bearing_wear","hypothesis":"Radial vibration is running ~31% above the pump's own 24-hour baseline (4.31 vs 3.29) while axial vibration and current are flat at baseline and temperature is unremarkable. A sustained radial-only rise with everything else normal points primarily at bearing wear, with sensor drift on the radial probe as the main alternative since no independent cross-check confirms true mechanical motion.","summary":"selected bearing_wear at confidence 0.45; missing: Frequency-spectrum or band-filtered radial vibration data; Raw high-resolution radial vibration samples; Independent cross-check of the radial probe (redundant sensor or manual reading); 24-hour temperature baseline","intents":[{"type":"install_watch_condition","risk":"R0","parameters":{"expires_at":"2026-10-29T21:38:29Z","expression":"features.vibration_mean_15m \u003e= 4.0","max_fires":3,"metric":"vibration_mean_15m","target":"site-a:pump-7","threshold":4}}]}}
{"kind":"episode","subject":"site-a:pump-4","answer":{"diagnosis_code":"bearing_wear","hypothesis":"Radial vibration is up ~17% versus the pump's own 24-hour baseline (5.27 vs 4.50) while axial vibration and motor current sit exactly at baseline, so the fault is isolated to the radial path — bearing wear is the primary conclusion, with a high-reading probe (sensor drift) as the alternate since the rest of the machine still looks healthy.","summary":"selected bearing_wear at confidence 0.45; missing: 24-hour temperature baseline; Vibration trend over multiple days or a spectrum; Cross-check of the vibration probe against an independent sensor","intents":[{"type":"install_watch_condition","risk":"R0","parameters":{"expires_at":"2026-10-29T21:39:00Z","expression":"features.vibration_mean_15m \u003e= 4.0","max_fires":3,"metric":"vibration_mean_15m","target":"site-a:pump-4","threshold":4}}]}}