Sanyo CH1872 Bedienungsanleitung PDF herunterladen (Seite 48)

(3-2) Condition: E12

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 indoor

 unit terminal strip. (Fig. 7)

Defect in the indoor unit

P.C. board

Defect in the outdoor unit

P.C. board

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.

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)

Defect in the inter-unit

cable

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.

Condition: E12

Condition: E01

Condition: E12

What is the latest self-diagnosis result ?

1 2 43 5 6

1 2 3

Outdoor Unit

Fig. 6

Power

Indoor Unit

1 2 43 5 6

1 2 3

Power

Fig. 7

Outdoor Unit

Indoor Unit

1 2 ... 43 44 45 46 47 48 49 50 51 52 53 ... 110 111

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Sanyo CH1872 Bedienungsanleitung Seite 48