Vertiv VRC-S, User Manual

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Message or Problem Possible Cause Suggested Action
High Pressure
Insufficient air flow Remove obstruction or debris from air inlets.
Vertiv VRC Fan malfunction Contact Vertiv Technical Support.
Pressure-sensor malfunction Contact Vertiv Technical Support.
Low Pressure
Insufficient air flow Remove obstruction or debris from air inlets.
Vertiv VRC Fan malfunction Contact Vertiv Technical Support.
Electronic Expansion Valve
(EEV) malfunction
Contact Vertiv Technical Support.
Condenser malfunction or
refrigerant leak
Contact Vertiv Technical Support.
Table 6.1 Troubleshooting the Vertiv VRC (continued)
Message or Problem Possible Cause Suggested Action
Backup Fan Operates Continuously
IT equipment or other heat source is blowing
directly on the sensor.
Reposition heat source away from the sensor at the top
front of the Vertiv™ VRC or relocate sensor away from heat
source. If rearranging equipment proves insufficient,
contact your Vertiv representative about obtaining a
Vertiv™ Geist™ SwitchAir™.
Heat sensor is incorrectly programmed.
Reprogram the high temperature setpoint via the rack PDU
network card or contact Vertiv Technical Support.
High temperature in cabinet
Refer to Troubleshooting the Vertiv VRC on the previous
page .
Backup Fan Fails to Operate as Expected
Fan input power cord plugged into the incorrect
outlet on the Geist™ rPDU.
Confirm the power plug from the fan is plugged into outlet
marked with the symbol for the fan.
Lack of input power.
Verify that the backup fan is connected to the Geist™ rPDU
outlet with the fan symbol.
Reset the building's input circuit breaker.
Programming of the Geist rPDU is incorrect or
an alarm keeping the outlet Off has not been
cleared.
Contact Vertiv™ support to ensure programming is correct.
• United States: 1-800-543-2378
• Australia and New Zealand: 1300 367 686
• Indonesia: 0817 988 2288
• Mayasia: 19 211 1668
• Singapore: 64674218
Contamination of filter-pads (front and back
door mounted)
Clean the filter according to filter and filter fan manual
Table 6.2 Troubleshooting the Backup Fan
6 Troubleshooting
36
Vertiv™ VRC-S User Manual