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Table 10. Troubleshooting

LCD Message or

Possible Cause

Action

Condition

 

 

UPS does not turn on.

The UPS is not correctly

Check connections to the power source.

 

connected to the power source.

 

The wall outlet is faulty.

Have a qualified electrician test and repair the outlet.

 

The Inverter Shutdown connector

Reconnect or close the Inverter Shutdown switch

 

is missing or open.

(see Section 5.1) Restart the UPS.

 

A circuit breaker or an input

Push the circuit breaker button or replace the

 

fuse on the rear panel is open.

fuse. Restart the UPS.

 

 

 

 

 

LCD panel is blank.

The UPS is in Standby mode.

Press and hold the

 

 

button until you hear the

 

 

 

 

UPS beep (approximately one second)

 

The LCD has failed.

Contact your service representative.

UPS does not provide

The battery may be fully

Connect the UPS to a power source for 24 hours

the expected backup

discharged because of:

to charge the battery. Perform a battery test

time

long-term storage

(see Section 4.0 "Configuration")

 

frequent power outages

If the battery test fails, see Section 7.0

 

end of battery life

"Replacing Batteries"

to replace the battery.

 

 

 

During extended power outages, save your work

 

 

 

and turn off your equipment to conserve battery

 

 

 

power.

 

The UPS operates

The equipment is not

Verify that the equipment is properly connected

normally, but some or

connected to the UPS.

to the UPS.

 

all of the protected

The output circuit breaker

Reset the circuit breaker (push the circuit

equipment is not on.

(if applicable) is open.

breaker button or reset the switch).

 

One of the load segments

Reactivate the segment with the power

 

has been turned off.

management software or through the front panel

 

 

 

(see Section 4.0 "Configuration").

On-Battery

Utility power failure.

The UPS is powering your equipment with its

1 beep every 5 seconds.

 

 

internal battery. If this is an extended power

 

 

 

outage, save your work and turn off your

 

 

 

equipment to conserve battery power.

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Eaton Electrical 9120 manual Troubleshooting