131
z Troubleshooting Guide
(14) E7: CONNECTION ERROR
Pro-
ce-
dure
Is the * displayed on the upper
right edge of the LCD?
(Indicates that AF-100 and DC-
545 are connected.)
Is the trouble cleared by
replacing the feed PCB unit?
Connector
Feed PCB unit
1
2
Cause/Defective part Result Countermeasure
No
Yes
No
Firmly connect the AF-100 and the
DC-545.
Finish
Replace the main PWB unit.
Items to be checked
(15) E8: ELEVATOR ERROR
Pro-
ce-
dure
Is it normal when checked in
HELP mode (H-08)?
Does the feed tray go up and
down when checked in HELP
mode (H-29)?
Are the chain and pulley
normal?
Is the voltage measured with a
tester between CN2-5 and
CN2-6 on the feed PCB unit
+24 V (DC) while the elevator
motor is operating?
Is the trouble cleared by
replacing the feed PCB unit?
Elevator upper/
lower/switch
Elevator motor
Feed tray
Feed PCB unit
1
2
3
4
5
Cause/Defective part Result Countermeasure
No
Yes
No
Yes
Yes
No
Replace the faulty switch.
Go to procedure 5.
Adjust any malfunctions.
Replace the elevator motor.
Finish
Replace the main PWB unit.
Items to be checked
HELP mode H-08 \ see p.143
HELP mode H-29 \ see p.148
Chap.6
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