Information Code: 024 (Scanner Unit Defective) - Panasonic DF-1100 Service Manual

4.3.13 Information Code: 024 (Scanner Unit Defective)

START
Is the Scanner Unit UNLOCKED?
Yes
Is the Scanner Belt properly
installed?
Yes
Can you move the Scanner
Unit by hand?
Yes
Does the output of CN76, pin 2
and pin 5, on the CONA PCB, vary
between 0 and +5V when the
Platen Cover Sensor and Scanner
Unit Detection Sensor is activated?
Yes
Is there a pulse output (+24V)
on CN12, pin 2 and pin 5, of
FCB PCB.
Yes
END
No
Unlock the Scanner Unit.
(Refer to Sect. 8.3)
No
Re–install the Scanner Belt
properly.
No
Check all gears that drive the
Scanner Unit.
No
Check the connection of CN76
on CONA PCB.
No
Does the problem still occur?
Yes
1. Replace the Platen Cover Sensor.
2. Replace the Scanner Unit
Detection Sensor.
No
Check the connection of CN12
on the FCB PCB.
No
Does the problem still occur?
Yes
Replace the Scanner Motor.
Troubleshooting
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