Forza Elipse Series, Руководство по обслуживанию

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5.4 Trouble Shooting
When abnormal occurs to the UPS system, trouble shoot is needed. Here after, general trouble
shooting guidance will be provided.
Basically, we can divide the trouble shooting into three difference levels, to have clear idea how to
carry out the service and increase service efficiency, technician can consider selecting before
start action basing on the service policy, available time and real situation:
a) System level
Just find out what happen to the system or the unit, replace a spare unit if the problem is
not recoverable. It will take less time to finish the troubleshooting, but maybe highest
cost
b) Board level
Find out which PCB board get fail, and replace the PCB board. It will take medium time
medium cost to finish the troubleshooting.
c) Component level
Find out which component get fail, and replace the component. It will take longest time
but less hardware cost to finish the troubleshooting.
So most important of all should be finding out what had happen. Before taking any action, collect
relative information normally would be valuable. Generally, the information maintenance
technician can collect includes:
1. Application electrical environment
a) Input mains voltage
b) Input mains power quality
c) Input mains wiring, grounding condition
d) Capacity of the battery bank.
e) The type of load, capacity of the load
2. Physical environment of the UPS
a) Temperature, Ventilation