Error code

Mitsubishi Electric PUHZ code A8

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

9-5. TROUBLESHOOTING Phenomena 1. Remote controller work. 2. “PLEASE WAIT” on the remote 3. When pressing operation switch, display is appeared turned off soon.: M-NET NO RESPONSE 1 Transmitting Abnormal if a message was transmitted repeated noise and and there were reply (ACK) that message 2 Extinction was received, but response command voltage does not return. Transmitting side detects by over-range abnormality every 30 seconds, 6 times wire. continuously. • Maximum Note) The address and attribute displayed • Remote at remote controller indicate the 3 Extinction controller that did not reply (ACK). voltage by type-unmatched sion wire. Type.... With shi

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Possible causes

condition is 1 fault because of the like. of transmission wire 2 and signal is caused transmission distance....200m controller line (12m) of transmission wire and signal is caused transmis- wireCVVS, CPEVS wire (no shield)- VCTF, VCTFK, CVV CVS, VVR, VVF, VCT or more malfunction controller. not indicated on LCD.) controller, however, the power supply “PLEASE up. the remote controller the indoor and outdoor connector is open. from the remote operation switch will 30 seconds. Factor of the wireless remote controller board are minutes at most after the power operation is prohibited. adaptor is connected to CN32 board. operation is prohibited etc. since it is connected fault adjusted well due to linear for refrigerant piping unit fault compressor) Countermeasure sounds can be heard when indoor unit or refrigerant chugging. the filter of water piping. the temperature adjustment sure that there is plenty of cooling mode, water may heating mode, water may unit. defrosting mode, water and water vapour may on the power switch. “ ” will external signal control, and FTC operation cannot approximately 3 minutes. unit.) on timer set? the ON/OFF button to stop FTC connected to a external the concerned people “ ” appear in the remote the concerned people the auto recovery feature from the ON/OFF button to stop off timer set? the ON/OFF button to restart air conditioner connected the concerned people “ ” appear in the remote the concerned people timer settings invalid? timer can be set, WEEK

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.