Troubleshooting

Problems During Startup

If problems occur when starting the UPS, refer to Table 5-2for possible causes and suggested actions.

Table 5-2: Troubleshooting problems during UPS startup

Symptom

Possible Cause

Suggested Action

UPS will not start. There is no utility power.

Unit is hardwired. Contact a qualified electrician to check power at the utility receptacle.

 

Batteries are disconnected.

Install the battery trays. If the

 

 

batteries are installed, remove and

 

 

then reinsert the electronics modules.

 

 

 

 

REPO: Audible alarm sounds

Ensure that the REPO switch is in the

 

and Alarm LED is lit.

proper position (open) and utility is

 

 

present. Press the On button.

 

 

 

Problems After Startup

If problems occur after starting the UPS, refer to Table 5-3for possible causes and suggested actions.

Table 5-3: Troubleshooting problems after UPS startup

Symptom

Possible Cause

Suggested Action

Audible alarm sounds.

An alarm condition exists.

Scroll through the LCD menu for

Alarm LED is lit.

 

system alarms to determine the

 

cause.

 

 

 

 

 

Bypass LED is flashing.

Automatic Bypass mode is not

Scroll through the LCD menu for

 

available.

system alarms to determine the

 

 

cause.

 

 

Manual Bypass is not

 

 

recommended during this

 

 

condition.

 

 

 

Utility LED is flashing slowly,

Utility power is within

Press the On button to assume

and all other LEDs are off.

acceptable range.

the load.

 

The UPS is operating normally

 

 

and is in Standby mode.

 

 

 

 

Utility LED is flashing rapidly.

The full UPS or an electronics

 

module is in the process of

 

starting up.

Wait for continuous Utility or Battery LED light, or slowly flashing Utility LED.

continued

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HP Uninterruptible Power System R12000 XR Models User Guide