208
Failure code
Outdoor
digital
display tube:
112- 4, 5
Indoor wired
controller:
70
Indoor unit LED status
LED5
Failure description:
Fan motor module radiator temp. too high
20 times
Outdoor unit LED status
LED1
LED2
Normal
Normal
1. Model
Failure diagnosis and troubleshooting
MRV 5-RC series
Diagnosis
Troubleshooting
2. Abnormity detection method
◆
Check if the radiating of the
fan motor aluminum radiator is
good
◆
Check if the fan is good
3. Abnormity confirmation
conditions
Motor built-in IGBT bottom
radiator temperature reaches
95.65 degree;
4. Possible causes
◆
Motor built-in IGBT radiating
poor;
◆
Outdoor fan does not turn or
stuck
Check if outdoor fan can rotate
Check if the fan rotation is
smooth
When 112 fault occurs,
whether the motor at high
speed
The motor is overloaded
and check the reason
Check the fan blocked reason
Replace fan motor
Check whether the outdoor
fan stuck, damaged, adjust the
replace fan
Y
Y
Y
N
N
N
Содержание MRV 5-RC VP1-112B
Страница 1: ...MRV 5 RC Service Manual SYJS 03 2019REV A Edition 2019 03 ...
Страница 3: ......
Страница 55: ...52 AV08 10 12 14IMVURA 4 Center of gravity x X 347 9587 y 471 5454 z 725 6683 y z ...
Страница 56: ...53 AV16 18 20 22IMVURA x X 650 5962 y 380 7255 z 706 5342 y z ...
Страница 106: ...103 2 Dimension 4 19 200 60 25 25 25 249 108 232 84 69 388 73 82 65 103 177 4 44 4 35 277 ...
Страница 116: ...113 2 Preparation before installation ...
Страница 130: ...127 2 Dimension 290 67 410 220 567 137 160 189 57 144 109 159 159 212 393 4 22 65 65 65 65 65 44 65 76 4 52 67 156 830 ...
Страница 162: ...159 One by one valve box PCB code 0151800186A 2 Valve box PCB photo and dip switch setting ...
Страница 165: ...162 One by four valve box PCB code 0151800466 ...