Sanyo KHS3082 + CH3082, KHS3682 + CH3682 service manual Alarm Code E07/P04/P05/P20/P27

(3-2) Alarm Code : E07/P04/P05/P20/P27

Troubleshooting Serial Communication

1.Turn off the power and wait until the power lamp (LED) of the outdoor unit controller is turned OFF.

2.Disconnect the cable from the terminal 3 on the Outdoor

unit terminal strip.(Fig. 6)

1.Turn ON the power and operate the system using the remote controller or the operation button on the indoor unit.

2.Perform the self-diagnosis five seconds after the operation start.

Outdoor Unit

1 2 3 4 5 6

Power

1 2 3

Indoor Unit

Fig. 6

Alarm Code : E05

What is the latest self-diagnosis result ?Defect in the outdoor unit P.C. board

Alarm Code : E07/P04/P05/

P20/P27

1.Turn off the power and wait until the power lamp (LED) of the outdoor unit controller is turned OFF.

2.Disconnect the cable from the terminal 3 on the indoor

unit terminal strip.(Fig. 7)

1.Turn ON the power and operate the system using the remote controller or the operation button on the indoor unit.

2.Perform the self-diagnosis five seconds after the operation start.

Alarm Code : E05

What is the latest self-diagnosis result ?

Alarm Code : E07/P04/P05/

P20/P27

Defect in the indoor unit

P.C. board

Outdoor Unit

1 2 3 4 5 6

Power 1 2 3

Indoor Unit

Fig. 7

Defect in the inter-unit

cable

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