Error code

Mitsubishi Electric PQRY code 6606

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.

All emergency numbers and province details

No approved translation for this record yet; showing the original text.

Meaning

Communication error with the transmission processor Communication error between the main microcomputer on the indoor unit board and the microcomputer for transmission Note: The address/attribute appeared on the display on the remote controller indicates the controller where an error occurred. System with one heat source Code 6607 No ACK abnormality Error Error Detection source display method address M-NET reNo acunit mote conknowltroller (RC) edgement MA remote (ACK) at controller BC trans- (MA)

Member details

Signed-in members see the LED pattern and how to read the code with the remote control on eligible records.

View details as a member

Possible causes

(1) Data is not properly transmitted due to accidental erroneous operation of the controller of the error source. (2) Error source controller failure unit Error definition and error detection The error is detected when no acknowledgement transmission. (eg. When the data interval, the error is detected on the Note: The address/attribute appeared indicates the controller which Cause (1) Contact failure of transmission line of OC or BC (2) Decrease of transmission line voltage/signal by exceeding acceptable range of transmission wiring. Farthest: to 200 m [656ft] or less Remote controller wiring: 10m [32ft] or less (3) Erroneous sizing of transmission line (Not within the range below). Wire diameter: 1.25mm2 [AWG16] or more (4) Heat source unit main board ure (5) Power supply circuit failure of heat source unit (1) When BC address is changed modified during operation. (2) Faulty or disconnected BC transmission wiring IC (3) Disconnected BC connector (CN02) (4) BC control board failure (1) When IC unit address is changed or modified during operation. (2) Faulty or disconnected IC transmission wiring (3) Disconnected IC connector (CN2M) to (4) Indoor unit board failure (5) M-NET remote controller failure (1) When FU address is changed modified during operation. (2) Faulty or disconnected FU transmission wiring IC (3) Disconnected FU connector (CN02) (4) FU controller failure (1) The power source of LOSSNAY has been shut off. (2) When the address of LOSSNAY is changed in the middle

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.