socomec Masterys Green Power, Installation And Operating Manual

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IT
ALIANO
ENGLISH
52
IOMMASGPXX01-GB_01
10-40 kVA
PROBLEM SOLVING
9
The alarm messages displayed enable an immediate diagnosis.
Alarms are divided into two categories:
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Alarms related to the UPS external circuits: input mains, output mains, temperature and environment.
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larms related to the UPS internal circuits: in this case, the corrective actions will be carried out by the After Sales
Department.
9.1 SYSTEM ALARMS.
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The power required by the loads is higher than the power available.
Check that the load is well balanced on the three phases by checking the measurements on the display. If needed,
disconnect any loads that do not need uninterruptible power.
Important!
The accepted overload time limit is defined in the technical specifications. When this time limit is exceeded, the
loads will no longer be powered by the inverter.
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The auxiliary mains exceeds the acceptable tolerance values. Possible causes are:
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Check the ventilation or air conditioning system in the UPS room.
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The output disconnecting switch Q6 is in position 2 (maintenance bypass).
The load is therefore powered directly by mains power supply.
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This alarm does not indicate a malfunction or failure of the UPS, but an incorrect use/sizing of the system. It is
activated in the event of:
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The input mains is not present or not sufficient (voltage and/or frequency values incorrect with reference to the
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Check that the voltage applied and frequency values are in compliance with the values set on the mimic panel.
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