Table of Contents
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Communication Error
Is Er-CO displayed?
Yes
Display PWB
Is the connection loose?
No
Display PWB
Is the voltage between
pins 7 and pin 9 of CON101?
Pin5 WH/RD Pin3 WH/BK
Receiver fail Voltages
Test Point
Result
pin7 To pin9
0 V or 5 V
No
Reconnect
Yes
Replace the
Yes
Display PWB
(Position No
: 501A)
- 32 -
Display PWB
Is the voltage between
pin8 and pin9 of CON101
0 V or 5 V?
Pin5 WH/
RD
Pin4 BO
Transmitter Voltages
Test Point
Result
pin8 To pin9
0 V or 5 V
No
Is the joint connection loose
In the Hinge?
Yes
Replace the
Yes
Display PWB
(Position No :
501A)
No
Reconnect
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