Error code

Mitsubishi Electric klima code 7905

For your safety

This fault is rated critical. 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, refrigerant gas circuit, and flammable/explosive material

If there is a risk to life, first move to a safe place, then call 112. Do not follow remote repair instructions.

Call 112

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Meaning

NOTE:: Version error 1) When the error code is for a air conditioning unit and perform indicates its internal status table shows the LED lighting are located on the lower left of STATUS LED Operation status color and Normal The equipment is normally. Error (If using a cloud No communication cloud system Normal The software of AE-C/EW-C unit updated. Normal The update using memory device has completed successfully. Normal (If using a cloud Communication cloud system has established, but signal is weak.

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

The software versions of Cause AE-C/EW-C do not match. detection source other than AE-C/EW-C, the checks and take the corresponding with the STATUS LED. using a USB memory (1) An error occurred the update process be performed normally to unexpected erroneous operation. (2) The USB memory not inserted properly. (3) The USB memory damaged. (4) The USB memory was removed and reinserted within a period of time. (5) The AE-C/EW-C When updating via (2) The AE-C/EW-C has AE-C/ 1) R32 refrigerant leak been detected. (2) R32 refrigerant circuit inspection has been performed. was [microSD card 1 reading has been 1) An accidental malfunction prevented writing reading from the internal microSD card 1. (2) The internal microSD is disconnected. was [microSD card 2 reading has been 1) An accidental malfunction prevented writing reading from the internal microSD card 2. (2) The internal microSD is disconnected. of the – data. line 1) M-NET power supply redundant and is in wrong polarities. (2) An abnormal voltage has occurred due short circuit in the transmission line, the power is being from the AE-C/EW-C. error is The approximately turned After the the controller, the detected USB memory device is not Check properly. corresponding is no free space in the

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.