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Alarm Descriptions and Solutions
47
6.2 Optional/Custom Alarms
6.2.1 Loss of Water Flow
No water flow is detected in the chilled water or condenser water supply line. An optional flow switch
is required for this alarm. Check for service valves closed, pumps not working, etc.
6.2.2 Smoke Detected
Smoke is detected in the return air by an optional Liebert Smoke Detector. Check for source of smoke
or fire, and follow appropriate emergency procedures.
6.2.3 Standby GC Pump On
The primary pump has failed, and the standby pump is activated (glycol cooled and GLYCOOL™
units only).
Check for problems with the primary pump (fuses blown, motor burn out, service valve shut, stuck
check valve, impeller damage, etc.).
6.2.4 Standby Unit On
The primary environmental control system has had an alarm condition, and the standby system is
activated.
6.2.5 Water Under Floor
Water is detected by an optional Liebert Water Detection System. Check under the raised floor for
water or other leaks.