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Sanyo KMS1872 2If the self-diagnosticsfunction fails to operate, Normal, Replace the controller

Models: KMS1872 KMS2472

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(2)If the self-diagnostics function fails to operate

(2)If the self-diagnostics function fails to operate

Check the indoor unit.

Is the fuse blown?

Normal

Replace the controller.

Check the indoor unit. No indicators illuminate and the indoor fan does not rotate.

Normal Check the power voltage.

Blown

Replace the circuit board or the fuse.

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Sanyo KMS1872, KMS2472 2If the self-diagnosticsfunction fails to operate, Check the indoor unit Is the fuse blown?, Normal
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