E7: Connection Error; E8: Elevator Error - MyBinding DC-545HC Service Manual

(14) E7: CONNECTION ERROR

Pro- Cause/Defective part
ce-
dure
1 Connector
2 Feed PCB unit

(15) E8: ELEVATOR ERROR

Pro- Cause/Defective part
ce-
dure
1 Elevator upper/
lower/switch
2 Elevator motor
3 Feed tray
4 Feed PCB unit
5
Items to be checked
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?
Items to be checked
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?
131
Chap.6
Result Countermeasure
No Firmly connect the AF-100 and the
DC-545.
Yes Finish
No Replace the main PWB unit.
Result Countermeasure
No Replace the faulty switch.
Yes Go to procedure 5.
No Adjust any malfunctions.
Yes Replace the elevator motor.
Yes Finish
No Replace the main PWB unit.
HELP mode H-08 \ see p.143
HELP mode H-29 \ see p.148
z Troubleshooting Guide