186
Failure code
Outdoor
digital display
tube: 33-0, 2, 3
Indoor wired
controller: 21
Indoor unit LED status
LED5
Failure description:
AT24C04 EEPROM communication failure
AT24C04 EEPROM data check failure
IM EEPROM data or communication failure
20 times
Outdoor unit LED status
LED1
LED2
Normal
Normal
1. Model
Diagnosis and troubleshooting
MRV 5-RC series
Diagnosis
Troubleshooting
2. Abnormity detection method
◆
Incorrect EEPROM data.
3. Abnormity confirmation
conditions
EEPROM communication
error; EEPROM data check
error (model ID, checksum,
etc.); EEPROM data logic error
(wider data range, wrong order,
etc.)
4. Possible causes
◆
EEPROM is an old version,
while the program is a new
version.
Turn BM1_1 and M1_2 to
"OFF",energize again, and then
check if the failure is cleared.
Replace EE.
Y
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 ...