Midea LRSJF-V120

MCAC-RTSM-2012-07 M-thermal Technical Manual (part 4)
A. "E0": Outdoor unit EEPROM malfunction
Outdoor Unit
Display
E0
Method of
malfunction
detection
Check whether EEPROM is normal
Supposed
Causes
1. Something wrong with the outdoor unit PCB.
2. Something wrong with the EEPROM.
3. External factor other than malfunction.
Troubleshooting
E0
Turn the power supply off
once and then back on
Is normal reset
possible?
Turn the power supply off
and replace the EEPROM,
turn the power on again,
is”E0”displayed?
Problem could be cause by External
factor (noise, etc.) other than
malfunction
Replace the main control board.
Replace the EEPROM
YES
NO
YES
NO