Error code reference

Panasonic Air Conditioner Error Code H00

No memory of failure; normal operation.

Panasonic codes Panasonic air conditioner codes

No memory of failure; normal operation.

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Step-by-step tests with expected resistance, voltage, and continuity values
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M+

M+ Max·Panasonic Air Conditioner

H00 on my Panasonic Air Conditioner

M+

No memory of failure

From Service Manual 763242, p.14:

1.Access service mode to confirm the active fault code and read stored error history.

2.Measure control board supply voltage at the test points. Expected: 12 VDC and 5 VDC; a drop below 4.75 VDC on the logic rail points to a failed onboard regulator.

3.Inspect all connectors on the main control for corrosion, thermal stress, or backed-out pins. Reseat each connector with the power disconnected.

Part WPW10804018

Electronic control board

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