Error

Description

Action

 

 

 

984.xx

Invalid command parameter received by the specidied

Call the next level of support.

 

device

 

 

 

 

990.xx

An equipment check condition has occurred in the

 

 

specified device, but the device is unable to identify the

 

 

exact component failure.

 

 

 

 

991.xx

The specified device has detected an equipment check

 

 

in its system card.

 

 

 

 

Symptom tables

POST symptom table

Symptom

Action

 

 

The main motor, cooling fan, and fuser do not come

See “Cover interlock switch service check” on page 2-23.

on.

 

 

 

POST completes, but the LCD does not come on.

See “Operator panel service check” on page 2-27.

 

 

Main motor does not come on.

See “Main motor service check” on page 2-26.

 

 

Fan does not come on.

See “Cooling fan service check” on page 2-23.

 

 

Fuser does not cycle.

See “Fuser service check” on page 2-25.

 

 

Fuser does not turn on and off.

See “Fuser service check” on page 2-25.

 

 

The paper feed picks and tries to feed media.

See “Paper feed service checks” on page 2-27.

 

 

Note: Investigate any displayed codes before proceeding with these symptoms. For example, a missing toner cartridge will prevent POST from completing.

2-20

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Dell 2330dn service manual Symptom tables, Post symptom table, Symptom Action