Sanyo KH2442 User Manual download pdf (Page 166)

4. Service procedures

Section

SM830082

IV - 10

2) Symptom: LCD on the remote controller displays “CHECK E01”. (Unusual

communication between remote controller and indoor unit.)

Yes

2096_THS_I

Start

Remote controller judges itself

with self-diagnostic functions

Replace the remote controller.

Correct the wiring.

Open the inspection pin.

Is there an open or a contact

defect in the No. 1 line of the

remote controller?

Yes

Is there 230 -208 V AC between

U1 and U2 of terminal plate?

Mis-wiring between the power

supply line and indoor/ outdoor

unit operation lines.

Correct the wiring, and pull out the

socket connected to the OC plug

to replace with the EMG plug.

Is the indoor

unit PCB’s

inspection

pin shorted?

Replace the indoor

unit PCB

3) Symptom: LCD on the remote controller displays “CHECK E02”. (Unusual

communication between remote controller and indoor unit)

2097_M_I

Start

Replace the remote controller.

Remote controller judges itself with

self-diagnostic functions.

Replace the indoor unit PCB.

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Sanyo KH2442 User Manual Page 166