Powerware 9170 - Page 115

Troubleshooting
107
Powerware
®
9170
+
UPS User’s Guide S Rev B www.powerware.com
What to DoWhat It MeansAlarm Message
I Overload Shutdown The UPS has shut down due to
excessive load.
Remove excess load(s) from the UPS output and
restart the UPS by pressing the ON button
through the front panel display.
H High Heatsink
Temperature
The inverter temperature is too
high. If the temperature reaches a
preset limit, the unit will shut
down.
If the UPS has not shut down, bypass the UPS or
shut down your equipment, and turn the UPS
off. Contact your service representative.
PEPO 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.
TCallService The UPS has detected a problem
that requires service.
Contact your service representative.
TCallService
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.
TCallService
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.
TCallService
Excessive Transfers
The UPS has detected an
excessively high number of
automatic transfers from High
Efficiency mode, and has switched
to Double Conversion (Auto)
mode.
Contact your service representative.
TCallService
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 service
representative.
TCallService
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 service
representative.
5FanFailure The UPS has detected a module
fan problem that requires service.
Contact your service representative.