Error code

Mitsubishi Electric PLA 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.

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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”. TROUBLESHOOTING BY INFERIOR Phenomena on indoor controller board • When LED1 Power supply off. 1 unit. Defective 2 Power supply 3 unit. Defective 4 Defective 5 • When LED1 Mis-setting 1 (There address on indoor controller board • When LED1 Connection blinking. wire • When LED1 Mis-wiring Under twin units are Refrigerant 1 set

Member details

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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. PHENOMENA Note: Refer controller. Factor on indoor controller board is also of 220~240V is not supplied outdoor controller circuit board. of 220~240V is not supplied indoor power board. indoor controller board. on indoor controller board is lit. of refrigerant address for outdoor is no unit corresponding to refrigerant “0”.) on indoor controller board is also failure of indoor/outdoor unit connecting is lit. of remote controller wires triple indoor unit system, 2 or more wired together. address for outdoor unit is wrong control system, there are some refrigerant address is 0. of remote controller wires remote controller is not downward during defrosting and when the thermostat is (Working of COOL protection does not rotate. vane motor of wire or connection failure of connector vane does not work. is set to fixed position. or its battery is exhausted emergency operation switch is lit. Heating 24: High (30deg) Downward unit micro computer troubles emergency operation starts as as follows; (2) Drain pump operation of the switch (SWE) in the detected during self-diagnosis. (Error the power supply ON/OFF. operated by the remote controller. when the outdoor unit starts 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.