Daikin FTXJ-M - Error Codes Via Outdoor Unit PCB2 (Service PCB) (3 MXM-N(9), 4 MXM-N(9), 5 MXM-N(9)); How to Retrieve Error Codes

ESIE16-02K | Part 2. Troubleshooting 2.1. Error codes check
31/05/21 | Version 1.1 Page 19
RA R32 Split & multi split M-Series
2.1.2. Error codes via outdoor unit PCB2 (Service PCB) (3MXM-N(9), 4MXM-N(9),
5MXM-N(9))
2.1.2.1. How to retrieve error codes
Troubleshooting via the service display.
Note 1: Turn the power off and on again
Figure 2-1: Service display location
GREEN RED GREEN FLASHING: NORMAL
w
ON
c
FLASHING
MICRO-
COMPUTER
NORMAL
LED-A
MALFUNCTION DETECTION
RED OFF: NORMAL
x
OFF
—
ANY STATUS
* MAY NOT BE APPLICABLE DEPENDING ON THE MODEL
LED
1
LED
2
LED
3
LED
4
LED
5
DIAGNOSIS
c xxxxx
normal -> check indoor unit
cwxwwx
high pressure protector activated or freeze-up in operating unit, or stand-by unit
cwxwxx
overload relay activated or high discharge pipe temperature
cxwwxx
faulty compressor start
c xwxwx
input overcurrent
cwwxxx
thermistor or ct abnormality
c wwxwx
high temperature switchbox
cxxxwx
high temperature at inverter circuit heatsink
cxxwxx
output overcurrent
cxxwwx
refrigerant shortage
cwxxwx
low voltage to main circuit or over voltage to main circuit
c wxxxx
reversing solenoid valve switching failure. * or high pressure switching failure
cwwwxx
faulty outdoor unit pcb
cwwwwx
fan motor fault
cxwxxx
wiring error check unfinished
w
—————(Note 1)
c
— — — — — power supply fault
1. Service monitor LEDs
1