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PASSEDinfrastructure / environmental_humidity_alert
Environmental Sensor — Humidity Alert in Server Room
The CRAC unit humidifier malfunctions, causing server room humidity to drop to 15% RH. Low humidity creates static electricity risk that can damage sensitive electronic components and cause intermittent hardware failures.
Pattern
UNKNOWN
Severity
CRITICAL
Confidence
85%
Remediation
Remote Hands
Test Results
| Metric | Expected | Actual | Result |
|---|---|---|---|
| Pattern Recognition | UNKNOWN | UNKNOWN | |
| Severity Assessment | CRITICAL | CRITICAL | |
| Incident Correlation | Yes | 20 linked | |
| Cascade Escalation | N/A | No | |
| Remediation | — | Remote Hands — Corax contacts on-site support via call, email, or API |
Scenario Conditions
Server room with CRAC unit. Humidifier failed. Humidity dropped from 45% to 15% RH. ASHRAE recommended: 40-60%. Static discharge risk: high. 30 servers and 4 network switches in room.
Injected Error Messages (2)
server room humidity critical low — environmental sensor reading: 15% RH (ASHRAE minimum: 40% RH), humidity dropped from 45% to 15% in 4 hours, static electricity risk: extreme, server room environmental threshold breached, 30 servers and 4 network switches at risk of electrostatic discharge damage, environmental monitoring system recommending immediate HVAC intervention
CRAC unit humidifier malfunction — humidifier output: 0% (commanded: 65%), CRAC unit model: Liebert CRV, humidifier fill valve stuck closed, server room humidity uncontrolled and falling, CRAC cooling function operational but humidity control offline, maintenance alert: immediate humidifier repair required, ESD-sensitive equipment at risk in 30-rack server room
Neural Engine Root Cause Analysis
The server room humidity has dropped critically from 45% to 15% RH in just 4 hours, well below ASHRAE minimum standards of 40% RH. This indicates a likely HVAC system failure, specifically with the humidification system or air handling unit. The rapid drop suggests equipment failure rather than gradual drift, and the 9 correlated incidents likely represent secondary failures or alarms triggered by the same environmental event.
Remediation Plan
1. Immediately dispatch facilities team to check HVAC humidification system status 2. Verify air handling unit operation and water supply to humidifiers 3. Check for clogged humidifier pads, failed steam generators, or water line blockages 4. Implement temporary humidification measures if needed (portable humidifiers) 5. Monitor humidity levels continuously during remediation 6. Consider temporary server shutdown if humidity cannot be restored quickly to prevent ESD damage
Tested: 2026-03-30Monitors: 2 | Incidents: 2Test ID: cmnckahvq0801obqebf6lnvp5