Error code
Mitsubishi Electric PU code A6
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Meaning
Communication error with communication Pline Defective communication between unit processor and transmission processor Note) The address and attribute display at remote controller indicate the controller that detected abnormality.
Member details
Signed-in members see the LED pattern and how to read the code with the remote control on eligible records.
View details as a memberPossible causes
(3) Transmission are mixed with others and occupation rate on transmission wire rose because of defective repeater (a function to connector or disconnect transmission of control and central control system) of outdoor unit, then abnormality is detected. (1) Data of transmission processor or unit processor is not transmitted normally because of accidental trouble such as noise or thunder surge. (2) Address forwarding from unit processor is not transmitted normally because of defective transmission processor hardware.
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