Troubleshooting; Table 12: Warning And Fault Codes - ABB PowerValue 11T G2 Series User Manual

6 T R O U B L E S H O OT I N G
—

6 Troubleshooting

If the UPS system is not operating correctly,
check the operating status on the LCD display.
Table 12 below provides the problem, possible
cause, and possible solution for several warning
—

Table 12: Warning and fault codes

Warning &
Fault Code
/
/
/
FANF
HIGH
bLOW
bOPN
CHGF
dCHF
bUSH
bUSL
bSFT
bUSS
TEPH
ITPH
INVH
INVL
ISFT
NTCO
SHOR
OVTP
OVLD
SITE
EPO
If you are unable to troubleshoot the problem or find
a solution, have the following information on hand
before calling the After-Sales Service Department:
• Model number and serial number
• Date on which the problem occurred
• LCD display status and audible alarm status
Problem Possible cause
No indication, no
warning tone even
• No input voltage
though system is
• Breaker open
connected to mains
power supply
• RS232 wire is not
No Communication
matched
data
• USB wire is not matched
Emergency supply • Batteries not fully
period shorter than charged
nominal value • Batteries defective
Fan failure Fan abnormal
Battery over
Battery is over charged
voltage
Battery low Battery voltage is low
Battery pack is not
Battery open
connected correctly
Charge fail The charge is broken
Digital bigger
The charge is broken
charger fails
Bus high UPS internal fault
Bus low UPS internal fault
Bus soft start fail UPS internal fault
Bus short UPS internal fault
Inverter Inside temperature of
temperature high the UPS is too high
Inner Ambient The ambient
temperature high temperature is too high
Inverter high UPS internal fault
Inverter low UPS internal fault
Inverter soft start fail UPS internal fault
Inverter NTC open UPS internal fault
Inverter short Output short circuit
Over temperature
Over temperature
fault
Overload Overload
Phase and neutral
Site fail conductor at input of the
UPS system are reversed
EPO active EPO function is enabled Plug into the EPO switch.
and fault codes. Use the table below for
troubleshooting purposes before contacting
the After-Sales Service Department.
Solution
• Check building wiring socket outlet and input cable.
• Check the Breaker.
• Check or change the RS232 wire.
• Check or change the USB wire.
• Charge the batteries until fully charged.
• Change the batteries or consult your dealer.
Check the fan status; if the fan is not running properly,
report this to your local dealer / sales office.
Switch to battery mode. Once the battery voltage is normal and the
mains is normal, the UPS will switch to line mode automatically again.
• Charge the batteries until fully charged.
• Change the batteries or consult your dealer.
• Conduct battery test to confirm.
• Check the battery bank is connected to the UPS.
• Check the battery breaker is turn on.
Notify dealer.
Notify dealer.
Notify dealer.
Notify dealer.
Notify dealer.
Notify dealer.
• Check the ventilation of the UPS.
• Check the ambient temperature.
Check the environment ventilation.
Notify dealer.
Notify dealer.
Notify dealer.
Notify dealer.
1. Remove all the loads.
2. Turn off the UPS.
3. Check whether the output of the UPS and loads are short circuited.
4. Make sure the short circuit is removed, and the UPS has no
internal faults before turning on again.
• Check the ventilation of the UPS.
• Check the ambient temperature and ventilation.
• Check the loads and remove some non-critical loads.
• Check whether some loads are failed.
Rotate mains power socket by 180° or connect UPS system.
• Mains power condition, load type and capacity,
environment temperature, ventilation condition
• Information (battery capacity, quantity) about
the external battery pack
• Additional information for a complete
description of the problem
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