Service procedures – Sanyo KH2442 / CH2442 User Manual

Page 168

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4. Service procedures

1

2

3

4

Section

SM830082

IV - 12

6)

Symptom: LCD on the remote controller is displaying “CHECK E06”. (Unusual

communication between the indoor and outdoor units)

7)

Symptom: LCD on the remote controller is displaying “CHECK E08”. (Duplicate indoor

unit address setting)

8)

Symptom: LCD on the remote controller is displaying “CHECK E09”. (Duplicate setting

of RCU address switch of remote controllers)

No

No

Yes

Yes

0337_M_I

Start

Correct the setting.

Correct wiring.

Influenced by external noise

Is the setting for the indoor address
on the indoor unit PCB inappropriate?

Is there a cut line or contact
defect between an indoor and
outdoor unit’s control line?

No

Yes

0338_M_I

Start

Influenced by external noise

Correct the setting.

Is the setting for the non-volatile
memory IC on the indoor unit PCB
inappropriate? If the setting is
appropriate, “F29” is displayed.
(Are there two units with the same
address?)

No

Yes

0339_M_I

Start

Replace the remote controller.

Correct the setting.

*

Are there two remote controllers
(master-slave) installed with both
remote controllers set as masters?

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