4. Service procedures

6)Symptom: LCD on the remote controller is displaying “CHECK E06”. (Unusual communication between the indoor and outdoor units)

Start

Yes

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

Correct the setting.

No

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

No

Yes

Correct wiring.

4

Influenced by external noise

0337_M_I

 

 

 

7)Symptom: LCD on the remote controller is displaying “CHECK E08”. (Duplicate indoor unit address setting)

Start

 

 

 

 

Yes

 

 

 

 

Is the setting for the non-volatile

Correct the setting.

 

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

 

 

 

 

 

 

Influenced by external noise

 

 

 

 

 

 

0338_M_I

8)Symptom: LCD on the remote controller is displaying “CHECK E09”. (Duplicate setting of RCU address switch of remote controllers)

Start

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

No

Replace the remote controller.

Yes

*

Correct the setting.

0339_M_I

SM830082

IV - 12

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Image 168
Sanyo KH3642 / CH3642, XH3642 / CH3642, XH4242 / CH4242, XH2442 / CH2442, UH3642 / CH3642 Influenced by external noise