Vertiv Liebert CW Series User Manual

Symptom Possible Cause Check or Remedy
Reheatwill notoperate; contactor not
pullingin
Control not calling
forheat
Check monitor status.
Reheatsafety stat
open
Jumper betweenterminalsP34-1 andP34-2. If reheat operates, safety isopen. Remove
jumper. Replace safety.
Reheatnotoperating, contactor
pullingin
Heaterburnedout Turnoff power andcheck heatercontinuity withOhmmeter.
Table 10.4 Reheat troubleshooting
9 Troubleshooting
79

Vertiv Liebert CW Series Specifications

General

Brand	Vertiv
Model	Liebert CW Series
Category	UPS
Language	English