Daikin 4MXM68M User Manual

ESIE16-02B | Part 2. Troubleshooting 2.1. Error codes check
Page 18 4/04/17 | Version 1.1
RA R32 Split & multi split M-Series
2.1.2. Error codes via outdoor unit PCB
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
2.1.2.2. How to reset error codes
1. When the problem is solved, perform a power reset
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
cxwxwx
input overcurrent
c wwxxx
thermistor or ct abnormality
cwwxwx
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
c xwxxx
wiring error check unfinished
w
— — — — — (Note 1)
c
— — — — — power supply fault
1. Service monitor LEDs
1

Daikin 4MXM68M Specifications

General

Brand	Daikin
Model	4MXM68M
Category	Air Conditioner
Language	English