Trouble Shooting; Trouble Shooting According To Warning Indication - PowerWalker VFI 10000TCP 3/1 Manual

7. Trouble Shooting

If the UPS system does not operate correctly, first check the operating
information on the LCD display.
Please attempt to solve the problem using the table below. If the problem
still persists, consult your dealer.

7.1 Trouble Shooting According To Warning Indication

Problem Displayed
Epo Active
Alarm code:71
On Maintain Bypass
Alarm code:72
Battery Disconnect
Alarm code:11
Battery low
Alarm code:12
Output Overload
Alarm code:41
Fan Failure
Alarm code:84
Charger Fail
Alarm code:15
Over Charge
Alarm code:14
Model Pin Error
Alarm code:92
Possible cause
EPO connector is closed
Maintain bypass switch
is open
Battery pack is not
connected correctly
Battery voltage is low
Overload
Fan abnormal
The charge fails
Battery is over charged
UPS internal fault
51
Remedy
Check the EPO connector status
Check the maintain bypass switch
status
Do the battery test to confirm.
Check the battery bank is
connected to the UPS.
Check the battery breaker is turn
on.
When audible alarm sounding
every second, battery is almost
empty.
Check the loads and remove some
non-critical loads.
Check if some loads are failed.
Check if the fan is running
normally.
Consult dealer.
The UPS will turn off the charger
until the battery voltage is normal
Consult dealer.