Error code

Mitsubishi Electric PQHY code 6600

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Meaning

Address overlaps (1) The error is detected when the same address is transmitted from different units. Note: The address/attribute (2) appeared on the display on the remote controller indicates the controller where an error occurred.

Member details

Signed-in members see the LED pattern and how to read the code with the remote control on eligible records.

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Possible causes

Two or more remote controllers for the heat source units, the indoor units, LOSSNAY, and the remote controllers have the same addresses. When the transmission data is changed due to the noise on the transmission line.

Solution

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