65EN
MASTERYS GP4 60-160 kVA - Ref.: IOMMASGPXX07-EN 05
12. TROUBLESHOOTING
The alarm messages displayed enable immediate diagnosis.
Alarms are divided into two categories:
• Alarms relating to external UPS circuits: input mains, output mains, temperature and environment.
• Alarms relating to internal UPS circuits: in this case corrective action will be carried out by the After Sales
Department.
The USB report makes it possible to have full information on what occurred. Refer to 'Display operation' chapter.
For other alarms that may appear please contact the Service Dept.
12.1 System alarms
A000 IMMINENT STOP
An imminent stop is about to happen. In few minutes the UPS will
be shut down.
This can be caused by a critical alarm or a user request.
A001 OVERLOAD ALARM
The load is exceeding the UPS power specification. The machine
will turn off. Reduce the load immediately.
A002 AMBIENT TEMPERATURE ALARM Environmental temperature is greater than 65°C.
A003 TRANSFER LOCKED
The UPS is unable to transfer the load between bypass and
inverter.
A004 TRANSFER IMPOSSIBLE Bypass is not available.
A005 INSUFFICIENT RESOURCES Some components are not operational.
A006 REDUNDANCY LOST
The redundant Unit is not available. Check individual unit alarms
to locate which is excluded from the System.
A007
OUTPUT SHORT CIRCUIT
DETECTION
A short circuit is detected on the output. Please contact the
Service Dept.
A008 ECO MODE DISABLED BY UPS Eco mode is disabled due to bypass failure.
A009 ENERGY SAVER DISABLED BY UPS
An event has occurred forcing the UPS to stop the energy saver
function.
A012 MAINTENANCE ALARM
UPS needs routine maintenance. Please contact the Service
Dept.
A013 REMOTE SERVICE ALARM
UPS needs immediate maintenance. Please contact the Service
Dept.
A014
REMOTE SERVICE PREVENTIVE
ALARM
A non-critical alarm is present. Please contact the Service Dept.
A015 GENERAL ALARM An alarm is present.
A016 BATTERY DISCONNECTED The battery is not connected to the UPS.
A017 BATTERY DISCHARGED The battery charge level is below the minimum value.
A018 END OF BACK-UP TIME Supply from batteries is close to finishing.
A019 OPERATING ON BATTERY The UPS is running on battery. Load is supplied by batteries.
A020 BATTERY TEMPERATURE ALARM
Battery temperature is greater than the threshold. If temperature
is measured using ADC+SL, verify NTC is still connected, other-
wise, check the internal UPS temperature.
A021 BATTERY ROOM ALARM The battery cabinet temperature is too high.
A022 BATTERY TEST FAILED The battery has failed the last battery test.
A026 INSULATION FAULT
There is an insulation problem with the plant. Verify input from
ADC+SL.
A027 BATTERY ALARM
A battery alarm is present. Maximum recharging time at two
levels, or slow discharging time protection has occurred.
A032 RECTIFIER CRITICAL ALARM
There is a problem with the rectifier. Please contact the Service
Dept.
A033 RECTIFIER PREVENTIVE ALARM
There is a non-critical problem with the rectifier. Check the fans
are working properly. Please contact the Service Dept.
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