Midea MOUA-96HD1N1-R - Page 43

MCAC-UTSM-201503 R410A Full DC Inverter Split Duct Type Technical Manual
42
 E8: Outdoor unit address is wrong



 E9: Eeprom error
 H0: Communication error between main control chip and module chip;
H1: Communication error between main control chip and communication chip
H0/H1
Power supply for main PCB,
transformer 1 and transformer 2
terminals are abnormal
The transformer on main control
board is disabled
Remove the interference
There has electromagnetic
interference nearby the unit. Such
as High-frequency transmitter or
other high strength radiation device
Replace the transformer
Provide normal power supply
Outdoor main control board is
damaged
Replace the outdoor main control
board
No
No
No
Ye
s
Ye
s
Ye
s
Ye
s
E8: Outdoor unit address is wrong
The ODU's address is more than 3 or
be set repeatedly
The addresses should be set less
than 3 and differently
Main board is disabled
Replace main board
No
Yes
No