Error code

Mitsubishi Electric PQHY 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 ware error Although mitted by cessor, transmission The address/attribute peared the dicates where curred.: processor hard- (1) When transmission mitted "0" was surely transdetected. the transmission pro- (2) Grounding "1" is displayed on the (3) When line. units, connected ap- (4) When on the display on nected remote controller infemale the controller (5) Controller an error oc- (6) When line (7) Voltage of grouped the Check Single-heat Investigation transmission | Transmission processor hardware error Although "0" was surely transmitted by the transmission cessor, "1" is displayed on transmission line Note: The address/attribute appeared on the display on the remote controller indicates the controller where an error occurred.

Member details

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Possible causes

NO Faulty 208 / 230V? YES Grounding fault or does the shielded Improper wire contact with the transmission line? NO System ? source-unit system Multiple-heat source-unit system Confirm that the power supply connector on the heat source unit is not plugged into CN40. Is the male power supply connector YES connected to the female power supply switch connector (CN40) on only one of the heat source unit? into the *For the investigation method, follow line noise <Investigation method of transmission YES Investigation into the Noise exist? cause of the noise Controller failure of the source of the error (1) When the w

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.