C750 & C750R User
Manual Page 53
8. TROUBLESHOOTING
The UPS is designed for durable, automatic operation and also alert you whenever potential operating problems
may occur. Usually the alarms shown by the control panel do not mean that the output power is affected. Instead,
they are preventive alarms intended to alert the user.
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Events are silent status information that are recorded into the Event log. Example = "Battery charging".
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Alarms are recorded into the Event log and displayed on the LCD status screen with the logo blinking. Some
alarms may be announced by a beep every 1 second. Example = "Battery low".
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Faults are announced by a continuous beep and red LED, recorded into the Event log. Example = Output short
circuit.
Use the following troubleshooting chart to determine the UPS alarm condition.
8.1 TYPICAL ALARMS AND FAULTS
To check the fault log or event log:
Click on
“Menu”
icon
Click on
“History”
icon
Click on
“Fault”
icon
Last 5 faults, blank list if no fault
Click on
“Event”
icon
Last 100 events
If alarm exists, shows here. 4
messages for high priority alarm
