Troubleshooting

Table 2

Alarm conditions

 

 

Condition

Alarm

 

 

Battery Mode

One short beep every 10 seconds;

(utility failure)

more than 2 minutes of run time remaining

Low Battery

 

Two short beeps every 5 seconds;

 

less than 2 minutes of run time remaining

 

 

Output Overload

One short beep every half second

(bypass)

 

 

 

Overtemperature

A one-second beep every 4 seconds

(bypass)

 

 

 

DC Bus Overvoltage

A one-second beep every 4 seconds

(bypass)

 

 

 

Control Power Supply

A one-second beep every 4 seconds

Failure (bypass)

 

PFC Failure (bypass)

A one-second beep every 4 seconds

 

 

Inverter Failure

A one-second beep every 4 seconds

 

 

Battery Test Failure

A 2-second beep every minute

 

 

 

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Liebert GXT 2U user manual Alarm conditions