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APPENDIX A: Relay alarms
These alarm codes are for 91PS/93PS/93PM/93PM G2 Modular UPS, 8-500
kVA.
Name
ID
24V Power Supply Failed
73
5V Power Supply Failed
72
ABM Active
232
ABM Enable
231
ABM Installed
230
ABM State Reset
91
ABM State Charging
88
ABM State Floating
89
ABM State Resting
90
Adaptive Overload Capacity Off
116
Adaptive Overload Capacity Off
326
Alternate Sync (Sync Box)
317
Alternate Sync Error
318
Ambient Over Temperature
94
Ambient Temperature Changed
331
Auto calibration in progress
321
Automatic Start Up Pending
263
Backfeed Switchgear Closed
203
Backfeed Switchgear Failed
204
Batteries Disconnected
50
Battery Backup Power Failure
458
© Eaton Corporation plc 2020. All rights reserved.
Revision: 001
Document ID: P-164000956
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Eaton 93PM G2 UPS 50 – 360 kVA
User’s and Installation Guide