Daikin 4MXM-M User Manual

ESIE16-02B | Part 2. Troubleshooting 2.2. Error based troubleshooting
4/04/17 | Version 1.1 Page 33
RA R32 Split & multi split M-Series
More info:
2.2.2.17. “J8-00” – Liquid pipe thermistor abnormality
More info:
2.2.2.18. “J9-00” – Gas pipe thermistor abnormality
More info:
Check procedures Replacing procedures
"Refrigerant thermistors" on page 56 "Replacing thermistors" on page 87
"Main PCB" on page 53 "Replacing main PCB" on page 84
Trigger Effect Reset
Liquid pipe thermistor detects an abnor-
mal value (open or short circuit).
Unit will stop operating. Automatic reset.
Possible cause Check Corrective action
Faulty outdoor unit main PCB. Check if the HAP LED is blinking in regu-
lar intervals.
Check if the correct spare part is installed.
Check if the outdoor main PCB receives
power.
Adjust the power to the outdoor main
PCB.
Replace outdoor main PCB when HAP
LED is not blinking in regular intervals.
Faulty liquid pipe thermistor. Check liquid pipe thermistor. Replace liquid pipe thermistor when
required.
Faulty capacity adapter on outdoor PCB. Check if the correct adapter is installed.
Check if the correct spare part is installed.
Adjust capacity adapter when required.
Check procedures Replacing procedures
"Main PCB" on page 53 "Replacing main PCB" on page 84
"Refrigerant thermistors" on page 56 "Replacing thermistors" on page 87
Trigger Effect Reset
Thermistor input voltage is > 4.96 V or
< 0.04 V when power is on.
Unit will stop operating. Manual reset via user interface.
Discharge pipe temperature is lower than
the heat exchanger temperature.
Possible cause Check Corrective action
Faulty discharge pipe thermistor. Check discharge pipe thermistor. Replace discharge pipe thermistor when
required.
Faulty outdoor unit main PCB. Check if the HAP LED is blinking in regu-
lar intervals.
Check if the correct spare part is installed.
Check if the outdoor main PCB receives
power.
Restore the power to the outdoor main
PCB.
Replace outdoor main PCB when HAP
LED is not blinking in regular intervals.
Check procedures Replacing procedures
"Refrigerant thermistors" on page 56 "Replacing thermistors" on page 87
"Main PCB" on page 53 "Replacing main PCB" on page 84

Daikin 4MXM-M Specifications

General

Brand	Daikin
Model	4MXM-M
Category	Air Conditioner
Language	English