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03-359, 03-407 HCF Communications and Detection Error
RAP
03-359 The HCF has failed to respond to tray 1 and 2 control PWB ping requests.
03-407 The system has failed to detect the HCF module at power on.
Initial Actions
WARNING
Switch off the electricity to the machine, GP 14. Disconnect the power cord from the
customer supply while performing tasks that do not need electricity. Electricity can
cause death or injury. Moving parts can cause injury.
•
Switch off the machine, then switch on the machine, GP 14.
•
Check the fault history file for other 03-xxx fault codes. If the 03-xxx fault codes occur ran-
domly, the cause may be due to electrical noise. Go to OF10 intermittent Failure RAP.
Status Indicator RAPs
03-359, 03-407
Procedure
1.
Ensure the P/Js on the tray 1 and 2 control PWB, PL 7.10 Item 2 and the HCF PWB, PL
7.20 Item 2 are correctly and securely connected.
2.
Go to Flag 1. Check the harness. Repair as necessary, GP 7.
3.
Go to Flag 1. Check the power supply lines. Refer to:
•
01G +24V Distribution RAP.
•
05E +5V Distribution RAP.
•
01B 0V Distribution RAP.
4.
Go to Flag 2. Check for the presence of pulses on the two data lines, using the AC volts
range of the meter.
NOTE: Pulses should be measured approximately every 20 seconds. Between pulses,
the voltage should be approximately 1.5VAC.
5.
As necessary, install new components:
•
Tray 1 and 2 control PWB, PL 7.10 Item 2.
•
HCF control PWB, PL 7.20 Item 2.
6.
Reload the software, GP 4, Machine Software.
Figure 1 Circuit diagram
August 2007
2-80
WorkCentre 5687 Family
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