![background image](http://html1.mh-extra.com/html/daikin/sm-12-012/sm-12-012_service-manual_2459094025.webp)
Service Manual SM-Inverter_(i)
25
E1
Description
Outdoor PCB error
Supposed Cause
1.
Micro Controller program run-away due to external factor such as Noise,
Momentary voltage drop, Momentary power failure.
2.
Damage of EEPROM
3.
Faulty outdoor unit PCB
Troubleshooting
Check the outdoor condition
Power on and off again
Error Again?
Replace outdoor PCB
No
Yes
Carry grounding work
Unit is grounded?
Yes
Investigate the cause of noise. Avoid
device near to high interference place.
No
Change Outdoor PCB
Summary of Contents for SM-12-012
Page 1: ...Service Manual SM Inverter_ i Air Conditioners Service Manual Split Inverter SM 12 012...
Page 22: ...Service Manual SM Inverter_ i 22...
Page 26: ...Service Manual SM Inverter_ i 26...
Page 45: ...Service Manual SM Inverter_ i 45 Troubleshooting...
Page 47: ...Service Manual SM Inverter_ i 47...
Page 50: ...Service Manual SM Inverter_ i 50 ATXN FTXN 50 60 LV1B 9 ARXN RXN50 60 LV1B 9...
Page 51: ...Service Manual SM Inverter_ i 51 Refrigerant Diagram ATXN FTXN 25 35 50 60 LV1B 9...