Error code

Mitsubishi Electric PFD code 6602

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

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

Transmission processor hardware error: Although "0" was surely transmitted by the transmission processor, "1" is displayed on the transmission line. The address/attribute appeared on the display on the remote controller indicates the controller where an error occurred.

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

(1) When the wiring work of or the polarity of either the indoor or outdoor transmission line is performed or is changed while the power is on, the transmitted data will collide, the wave shape will be changed, and an error will be detected. (2) Grounding fault of the transmission line (3) When grouping the indoor units that are connected to different outdoor units, the male power supply connectors on the multiple outdoor units are connected to the female power supply switch connector (CN40). (4) When the power supply unit for transmission lines is used in the system connected with MELANS, the male power supply connector is connected to the female power supply switch connector (CN40) on the outdoor unit. (5) Controller failure of the source of the error (6) When the transmission data is changed due to the noise on the transmission line (7) Voltage is not applied on the transmission line for centralized control (in case of grouped indoor units connected to different outdoor units or in case of the system connected with MELANS)

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.