Xtreme Power Conversion Corporation
M90S-4S User’s Manual
Page 3
Uninterruptible Power Supply
5.5 Controller Module .................................................................................................................. 79
5.6 Battery Start Button ............................................................................................................... 79
5.7 Output Dry Contact Port ......................................................................................................... 80
5.8 Configuration ......................................................................................................................... 80
5.9 Input Dry Contact Port ........................................................................................................... 83
5.10 Battery Dry Contact .............................................................................................................. 83
5.11 EPO Port ............................................................................................................................... 84
5.12 External Maintenance Bypass Signal Port (EMBS) ................................................................ 84
5.13 Other Communication Interfaces ........................................................................................ 85
6 Service. .................................................................................................. 85
6.1 UPS Module Replacement ...................................................................................................... 85
7 Troubleshooting ..................................................................................... 86
7.1 UPS Fault Code Descriptions .................................................................................................. 86
7.2 Control Panel Audible Alarms ............................................................................................... 89
8 Specifications ........................................................................................ 90
9 Obtaining Service................................................................................... 92
10 Xtreme Power Conversion Limited Warranty ........................................ 93
11 Xtreme Power Conversion Load Protection Policy. ............................... 94