IBM 6400 Maintenance Information Manual

84
Chapter 5 Troubleshooting Display Messages
081 POWER SUPPLY
VOLTAGE FAILURE
The power supply has
failed.
1. Replace the power supply board.
2. Power on the printer. If the message
appears, replace the CMX controller
board.
082 POWER SUPPLY
8.5V FAILED
8.5 Volt Power Failed.
Internal power failure.
1. Cycle power. If the message appears,
replace the power supply board.
2. Power on the printer. If the message
appears, replace the CMX controller
board. Record the message and return it
with the defective board.
3. Power on the printer. If the message
appears, replace the shuttle frame
assembly.
083 INTAKE FAN FAULT
Sensors cannot
detect current in the
card cage fan circuit.
1. Cycle power. If the message appears,
press Stop.
2. Power off the printer. Remove the paper
guide assembly or pedestal top cover.
Disconnect connector P106 from the
CMX controller board. Test connector
P106/CCF for shorts or opens. (Refer to
the Main Wire Harness Test Tables on
page 291.) Replace components that fail
test.
3. Make sure P106/CCF has a good
connection at J106 on the CMX controller
board.
4. Inspect for obstructions of airways and
vents.
5. Power on the printer. If the message
appears, replace the CMX controller
board. Record the message and return it
with the defective board.
Table 4. Message List
Operator Panel
Message
Explanation Corrective Action

IBM 6400 Specifications

General

Brand	IBM
Model	6400
Category	Printer
Language	English