OK
NG
OK
OK
NG
Check 1 : Check the connection of EEV connector
Check if the connector is loose connection or not.
Check 2 : Check the EEV wire
Check if the wire of EEV has damage or not.
(Slash, Braking of wire, Pinching, etc.)
Replace EEV Coil
Check 4 : Check the output of EEV on the Main PCB
Check if the DC12V is on between the Pin No.1 of CN111 and GND Pin.
(Disconnect the wire of EEV when you check the output of EEV)
Check 5 : Noise, momentary open, voltage drop
Check if temporary voltage drop was not generated.
Check if momentary open was not generated.
Check if ground is connection correctly or there are no related cables near the power line.
OK
NG
Check 3 : Check the EEV Coil
Check if the circuit of EEV coil winding is good or not.
(Refer to the service parts information 3)
Replace EEV Coil
Replace Main PCB
03-39
Detective details:
Forecast of cause:
Troubleshooting 28
1. EEV coil loose connection
2. EEV wires cut or pinched
Detective actuators:
EEV coil
Main PCB
Indicate or Display:
Indoor unit
Operation lamp: 9 times Flash,
Timer lamp : 10 times Flash
Wired remote
Error code : [E : 9A]
n
: n times blinking
: Light ON: Light OFF
Mode Error
2 9
A B FEDC
10
Outdoor unit (AOUG36/48LMAS1)
Coil (expansion valve) error
When the power is turned on and
When the data of the automatic correction was
damaged
3. Defective EEV coil
4. Main PCB (DC12V) output abnormal
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