Troubleshooting
57
Avaya
t
RS9 UPS (9–18 kVA, 9-Slot Models) Site Preparation, Installation and Operator’s Manual
S
164201543 Rev A
What to Do
What It Means
Alarm Message
H High Heatsink
Temperature
The inverter temperature is too high.
If the temperature reaches a preset
limit, the unit will shut down.
Shut down your equipment and turn the UPS off. Contact
your Avaya service representative.
P EPO
The Emergency Power-Off function
has been activated.
Deactivate the external EPO switch and restart the UPS
by pressing the ON button through the front panel
display.
T Call Service
The UPS has detected a problem that
requires service.
Contact your Avaya service representative.
T Call Service
Phase Error
The UPS has detected the input
phase rotation to be incompatible
with its output wiring and will not
start up.
Correct the input wiring problem and restart the UPS.
T Call Service
Module Failure
A power module has detected an
internal fault and has shut down.
Look for the slot number (third line on display) of the
power module and replace the defective module.
T Call Service
Excessive Transfers
The UPS has detected an excessively
high number of automatic transfers
and has switched to Double
Conversion (Auto) mode.
Contact your Avaya service representative.
T Call Service
Precharge Failure
A power module has detected an
initialization sequence problem and
will not start up.
Look for the slot number (third line on display) of the
affected module. Contact your Avaya service
representative.
T Call Service
Incompatible Module
A power module with incompatible
firmware has been installed in the
system.
Look for the slot number (third line on display) of the
affected module. Contact your Avaya service
representative.
5 Fan Failure
The UPS has detected a module fan
problem that requires service.
Contact your Avaya service representative.
