Skip to content
RemFixitSearch fault code

Error code

Mitsubishi Electric PCA code E7

For your safety

This fault is rated high and involves an area that affects personal safety. No remote repair or do-it-yourself instructions are given; do not use the appliance or try to open or repair it.

Hazard area: mains voltage and refrigerant gas circuit

Do not use the appliance and call an authorised service. If there is a risk to life, move to a safe place and see the emergency numbers.

The emergency numbers here are for Turkey. If you are outside Turkey, call your local emergency number.

All emergency numbers and province details

No approved translation for this record yet; showing the original text.

Meaning

Indoor/outdoor unit communication error (Transmitting error) Abnormal if “1” receiving is detected 30 times continuously though indoor controller board has transmitted “0”. BY INFERIOR PHENOMENA Cause board • When LED1 on indoor controller Power supply of 220~240V 1 unit. Defective outdoor controller 2 Power supply of 220~240V 3 unit. Defective indoor power 4 Defective indoor controller 5 • When LED1 on indoor controller Mis-setting of refrigerant 1 (There is no unit corresponding address “0”.)

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 member

Possible causes

(1) Defective transmitting receiving circuit of indoor controller board (2) Noise has entered into power supply. (3) Noise has entered into outdoor control wire. Note: Refer to the manual of controller. board is also off. is not supplied to outdoor Check 1 supply • Check and • circuit board. 5 indoor board. controller board is lit. the controller wires 23 • if is failure block during defrosting and Normal 1 izontal the thermostat is OFF in Check COOL protection function) 2 • • failure of connector does not work. Normal 3 position. vane indoor unit micro computer emergency operation starts as as follows; machine operation of the switch (SWE) in the detected during self-diagnosis. the power supply ON/OFF. operated by the remote controller. when the outdoor unit starts hours at most. in former position the vane manually

Solution

Solution steps are not shared for faults that may be dangerous.

No do-it-yourself solution is given for this fault. For your safety, call an authorised service.