Error code

Mitsubishi Electric PFD/PQHY code 6600

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Meaning

Address overlaps The error is detected when the same address is transmitted from different units. Note: The address/attribute appeared on the display on the main remote controller indicates the controller where an error occurs.

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

(1) Two or more outdoor units, indoor units, or the main remote controllers have the equivalent addresses. (2) The transmission signal is changed due to noise interference.

Solution

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