Sanyo KH2442 / CH2442 Service Manual page 166

2) Symptom: LCD on the remote controller displays "CHECK E01". (Unusual
Remote controller judges itself
with self-diagnostic functions
Section
Is there an open or a contact
defect in the No. 1 line of the
1
remote controller?
Is there 230 -208 V AC between
U1 and U2 of terminal plate?
2
Is the indoor unit PCB's inspection
pin shorted?
Replace the indoor unit PCB.
3
3) Symptom: LCD on the remote controller displays "CHECK E02". (Unusual
4
Remote controller judges itself with
self-diagnostic functions.
Replace the indoor unit PCB.
communication between remote controller and indoor unit.)
Start
NG
OK
Yes
No
Yes
No
Yes
No
communication between remote controller and indoor unit)
Start
NG
OK
Replace the remote controller.
Correct the wiring.
Mis-wiring between the power
supply line and indoor/ outdoor
unit operation lines.
Open the inspection pin.
Replace the remote controller.
IV - 10
4. Service procedures
Correct the wiring, and pull out the
Yes
socket connected to the OC plug
to replace with the EMG plug.
2097_M_I
2096_THS_I
SM830082