Error code
Mitsubishi Electric PCA code E4
No approved translation for this record yet; showing the original text.
Meaning
Remote controller signal receiving error Abnormal if indoor controller board can 1 not receive normally any data from remote controller or from other indoor controller board for three minutes. Indoor control board cannot receive any 2 signal from remote controller for two minutes.
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
(1) Contact failure at transmission wire of remote controller (2) All remote controllers are set as “sub” remote controller. In this case, E0 is displayed on remote controller, and E4 is displayed at LED (LED1, LED2) on the outdoor controller circuit board. (3) Defective transmitting receiving circuit of remote controller (4) Defective transmitting receiving circuit of indoor controller board. (5) Noise has entered into the transmission wire of remote controller.
Solution
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Address of this page: https://www.remfixit.com/tr/mitsubishi-electric/pca/e4