MGE UPS Systems UPS User Manual

Page of 76
4.13
Multi-Module Communication Fault
Communication fault indicates a loss of proper communications to one or more UPS’s in the system. The fault can
be caused by two problems, the unit has powered down and is no longer responding or there has been a break in
the communication cable. See Figure 4-11.
Figure 4-11:   M-M Communication Fault .
IMPORTANT:
Refer to section 6.0 Troubleshooting for assistance.
GCC Mimic Diagrams
Graphical Command Center
page 4 —12
UPS 1
Comm
Fault
Q4S
Q2S
Q5N
Q3BP
Utility 2
System
Communication Fault
Load
UPS 2
Comm
Fault
UPS 3
Comm
Fault
System 
Comm
Fault
ALARMS
Setup
Trend
07:51:39
Utility 1
UPS 1
UPS 2
UPS 3