Haier AD482MPERA - Page 256

255
LD
indication
on master
unit
Indication
on wired
controller
(hex)
Failure code
definition
Failure description Remarks
80 50
Unmatch
combination of
outdoors
In VRF system, alarm if the capacity difference between
slave and master units is larger than 6HP.
83 53
Indoor DIP switch
setting failure
According to PCB special No., outdoor model DIP switch
errors are detected.
99-X 63
Program errors self-
check
X=0~5
Once confirmation,
Unresumable
110 6E
IPM module
protection (FO)
There are over current(hardware type), short circuit, over
heat and under voltage of IPM module
Four times an hour, then failure
confirmed.
Once confirmation,
Unresumable
111 6F
Inverter compressor
out of step
when for 6 times of failed detection of rotor position
in startup or running process, INV control board will
automatically recover after 5 secs of stop
112 70
Module cooling fin
temp. too high
Temp>94°C, alarm for error
Temp≤94°C, auto INV control board will automatically
resume
113 71
Inverter controller:
overload
Inverter controller outputs too high current
114 72
Module DC under
voltage
Power supply voltage > DC642V, error be alarmed
Voltage ≤ DC642V, INV control board automatically
resume
115 73
Module DC over
voltage
Power supply voltage > DC642V, error be alarmed
Voltage ≤ DC642V, INV control board automatically
resume
106 6A
Locked rotor of DC
fan motor driver
board
No fan motor speed can be detected. Resume
automatically after 170 secs. Four times an hour, failure
confirmed.
Once confirmation,
Unresumable