Troubleshooting
83
Fault messages displayed can, in some cases, be investigated for a solution. Listed below in
Table 17
are troubleshooting steps for the Fault messages that can occur.
Refer to the general drawings in
Appendix D.0 - Installation Drawings
for the location of system
components.
If a Fault condition persists contact your Liebert technician. You may also visit the Liebert Web site
at
www.liebert.com
for information.
Table 17
Troubleshooting
Fault Label
Troubleshooting Action
GROUND FAULT
Contact Service provider. Schedule service.
HW BUS OV
Check DC bus voltage at UPS and adjust as necessary to within threshold.
X PHASE OC
Check IGBT, resistor diodes.
IGBT OVRTEMP
Check cooling pump, test pump and fans.
VACUUM FAULT
Check in History, Vitals, collect data, contact Certified Service Provider.
RUNOUT FAULT
Check in History, Vitals, collect data, contact Certified Service Provider.
MISER FAULT
Check calibration in Tools.
BEARING
Contact Service provider. Schedule service.
AUX POWER LOW
Check and test Auxiliary Power module.
INTER PRCR COMM
Contact Service provider. Schedule service.
PWR SPLY VOLT
Check data in Menu>View>Electrical.
UNDEF PDP INT
Contact Service provider. Schedule service.
CURRENT OFFSET
Contact Service provider. Schedule service.
SW OV
Contact Service provider. Schedule service.
CHECKSUM
Contact Service provider. Schedule service.
CONTACTOR TIME OUT
Check DC bus voltage at UPS and adjust as necessary to within threshold.
CONTACTOR CLOSE FAIL
Check DC bus voltage at UPS and adjust as necessary to within threshold.
FAN OPEN
Check fan connections.
FAN SHORT
Check fan.
PUMP OPEN
Check pump connections.
PUMP SHORT
Check pump.
HW OVERSPEED
Contact Service provider. Schedule service.
PRECHARGE PROTECTION
Contact Service provider. Schedule service.
BUS CURRENT OFFSET
Check bus voltages, contact service provider to calibrate settings.
Содержание Liebert FS Series
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Страница 130: ...Installation Drawings 118 Figure 125 Outline drawing Liebert FS cabinet 12 100120 00 Rev 01 ...
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