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03A Single Board Controller PWB Module Cooling Fan
Failure RAP
Use this RAP if the single board controller PWB module cooling fan is suspected of failure.
Procedure
Ensure that the electricity to the machine is switched off while performing tasks that do
not need electricity. Refer to
GP
14. Disconnect the power cord. Electricity can cause
death or injury. Moving parts can cause injury.
Note the orientation of the cooling fan,
PL 3.24 Item 2
1.
Go to
Flag
1. Check the cooling fan in the single board controller PWB module. Refer to:
•
GP
10, How to Check a Motor.
•
P/J221
on the
Single Board Controller
•
01F, +12V Distribution RAP.
•
01B, 0V Distribution RAP.
2.
If necessary, install new components:
•
Cooling fan,
PL 3.24 Item
2.
•
Single board controller PWB,
Figure 1 Circuit diagram
Xerox® WorkCentre® 5790 Family
WARNING
CAUTION
before installing a new component.
PWB.
PL 3.24 Item
3.
03B Mark Service Unavailable RAP
Before performing this RAP, any relevant status code RAP must have been performed.
Initial Actions
Ensure that the electricity to the machine is switched off while performing tasks that do
not need electricity. Refer to
GP
death or injury. Moving parts can cause injury.
Switch off the machine, then switch on the machine,
Procedure
1.
Switch off the power, disconnect the power cord and ensure all the P/Js are properly
installed on the IOT PWB,
PL 1.10 Item 2
3.
2.
Reload the software,
GP
4, Machine Software.
3.
Ensure that the output device communications cord is connected and secure, at PJ151 on
the
Power and Control Assembly
4.
Install new components:
•
Perform
OF7
IOT PWB Diagnostics RAP before a new IOT PWB is installed,
1.10 Item
2.
•
Single board controller PWB,
May 2013
2-105
WARNING
14. Disconnect the power cord. Electricity can cause
GP
14.
and single board controller PWB,
at the rear of the machine.
PL 3.24 Item
3.
Status Indicator RAPs
PL 3.24 Item
PL
03A, 03B
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