Error code

Mitsubishi Electric GUF code 6607

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

Communication error (No ACK error)

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

(Only when the error occurs in Fresh Master.) Single coolant system (1) The address has been changed in midstream. (2) Improper wiring or disconnection of the transmission cable (3) Malfunction of the controller (4) Malfunction of the remote controller (When the switch (SW3-1) is ON) Group operation system with multiple coolant lines (1) The above causes 1 to 4 ( When Fresh Master is interlocked with the indoor units in the different coolant line) (2) Short circuit or disconnection of the transmission cable to the terminal block for central control (TB7) in the outdoor unit (3) The outdoor unit in one of the coolant lines is shut down. (4) The setting of the outdoor unit is incorrect. If the error occurs after the unit operates normally, the following can be caused. • Total capacity error (7100) • Capacity code setting error (7101) • The number of connected devices error (7102) • Address setting error (7105) ─ 15 ─ System connected with MELANS a) Malfunction only in some of the units • Refer to the causes for the single coolant system b) Malfunction in all the indoor units and Fresh Master units in one coolant line (1) Causes of total capacity error (7100) (2) Causes of capacity code setting error (7101) (3) Causes of the number of connected devices error (7102) (4) Causes of Address setting error (7105) (5) Short circuit or disconnection of the transmission cable to the terminal block for central control (TB7) in the outdoor unit (6) The outdoor unit is shut down. (7) Fault

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.