5

Troubleshooting

 

 

 

This chapter provides solutions for some of the

 

 

problems you may encounter while using the DEU.

 

 

 

Symptom

Reason

Solution

 

 

 

Fails to power on.

Power cord not connected properly.

Verify that the power cord is properly

 

 

 

connected to the power module.

 

 

Power not available at the outlet.

If the DEU is plugged into a three-hole

 

 

 

grounded outlet, verify if power to the

 

 

 

outlet has been interrupted. This can be

 

 

 

accomplished by testing the outlet with a

 

 

 

known working appliance, like a lamp.

 

 

Power switch not in the proper

Be sure that the power switch is in the

 

 

position.

 

 

“ON” position, labeled “I”.

 

 

 

 

 

Faulty fuse.

Replace fuse, see Replacing a Fuse

 

 

 

 

 

 

described earlier in this guide.

 

 

Faulty power cord.

Replace power cord.

 

 

 

 

 

 

If the DEU is not responding,

 

 

 

contact your service provider.

 

 

 

Operator Control Panel

Possible component failure.

From the Operator Control Panel,

display indicates

 

“Hardware Menu” from the Main Menu

“Hardware Error.”

 

and select “Component Status.” Scroll

 

 

 

down through the list to locate the failed

 

 

 

component. Follow the procedures in

 

 

 

the Maintenance chapter to replace the

 

 

 

failed component.

 

 

 

LED and audible alarms

Power-on self-test failed.

From the Operator Control Panel,

indicate the system

 

“Hardware Menu” from the Main Menu

failed the diagnostic

 

and select “POST Results.” Scroll down

test.

 

 

through the list to locate the failed

 

 

 

component, see Power-On Self

 

 

 

Diagnostics described earlier in this

 

 

 

guide.

 

 

 

 

LED Status

Reason

Solution

 

 

 

Operator Control Panel

Cooling fan failure.

From the Operator Control Panel,

display indicates

 

“Hardware Menu” from the Main Menu

cabinet temperature

 

and select “Component Status.” Scroll

threshold has been

 

down through the list to locate the failed

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Packard Bell 5800, ST8000 manual Troubleshooting