(3-2) Condition: E12

(3-2) Condition: E12

1.Disconnect the inter-unit wiring on the indoor unit side.

2.Operate the system in TEST RUN mode. Then, five minutes later, perform the self-diagnosis.

What is the self-diagnosis result ?

Condition: E12

1.Disconnect the inter-unit wiring on the outdoor unit side.

2.Operate the system in TEST RUN mode. Then, five minutes later, perform the self-diagnosis.

What is the self-diagnosis result ?

Condition: E12

An error in the P. C. Board in the outdoor unit might be considered.

(Connection error between the P. C. Board in

the outdoor unit and J-B)

Condition: E01

An error in the P. C. Board in the indoor unit might be considered.

(Terminal board error, etc.)

Condition: E01

An error in the inter-unit wiring

might be considered.

(ex. wire breaking or connection error, etc.)

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Panasonic CS-MKS9NKU, CS-MKS24NKU, CS-MKS18NKU service manual Condition E12

CS-MKS18NKU, CS-MKS9NKU, CS-MKS24NKU specifications

The Panasonic CS-MKS7NKU, CS-MKS9NKU, and CS-MKS12NKU are part of Panasonic's reputable air conditioning lineup, designed to provide efficient and comfortable cooling and heating solutions for various spaces. These models are ideal for residential and light commercial use, showcasing a blend of innovative technology and user-friendly features.

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