Alpha Technologies Micro Secure UPS - Manual (Page 69)

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017-220-J0 Rev B
8. Troubleshooting
Table O — Troubleshooting Guide
Symptom Action
No output power
Is utility power connected?
Is the battery breaker tripped?
Are the batteries discharged?
Is the input circuit breaker open?
No battery backup power
Is the battery breaker tripped?
Are the batteries discharged?
No power to load
Is the UPS’s output properly connected to the load?
Is the battery breaker tripped and is the utility power connected to
UPS input connector?
If you have the RS-232 computer communication enabled, then you can perform additional
troubleshooting. See “Communicating with the RS-232 interface”, “Using the Main Menu”, and
“Communicating with the Alpha UPS Monitor".