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Daikin 2MXM50M3V1B9 User Manual

Daikin 2MXM50M3V1B9
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15 | Troubleshooting
Installer reference guide
66
2(A)MXM40+50 + 2(A)MXF40+50
R32 Split series
4P600463-2C – 2020.08
15.3.2 Symptom: The unit is NOT heating or cooling as expected
Possible causes Corrective action
Wrong connection of the electrical
wires
Connect the electrical wires correctly.
Gas leakage Check for gas leakage.
Marks on the wiring and piping do NOT
match
Marks on the wiring and piping (room A,
room B, room C, room D, room E) for
each indoor unit MUST match.
15.3.3 Symptom: Water leakage
Possible causes Corrective action
Incomplete thermal insulation (gas and
liquid piping, indoor portions of the
drain hose extension)
Make sure the thermal insulation of the
piping and the drain hose is complete.
Improperly connected drainage Secure the drainage.
15.3.4 Symptom: Electrical leakage
Possible causes Corrective action
The unit is NOT earthed correctly Check and correct the connection of the
earth wiring.
15.3.5 Symptom: Unit does NOT function or burn damage
Possible causes Corrective action
The wiring was NOT performed in
accordance with the specifications
Correct the wiring.
15.4 Solving problems based on LED behaviour
15.4.1 Fault diagnosis using LED on outdoor unit PCB
LED is… Diagnosis
flashing Normal.
Check the indoor unit.
ON Turn the power OFF and back ON, and check the LED
within approximately 3 minutes.
If the LED is ON again, the outdoor unit PCB is faulty.
OFF 1 Supply voltage (for power saving).
2 Power supply fault.
3 Turn the power OFF and back ON, and check the
LED within approximately 3 minutes.
If the LED is OFF again, the outdoor unit PCB is
faulty.

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Daikin 2MXM50M3V1B9 Specifications

General IconGeneral
BrandDaikin
Model2MXM50M3V1B9
CategoryAir Conditioner
LanguageEnglish

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