Hyundai HRP-S09WH Service Manual page 64

Diagram 3:
Main test points:
● Check the electronic expansion valve is connected.
● Check the electronic expansion valve is in good condition.
● Check the refrigerant leakage or not.
● Check the overload protector is in good condition.
● Check the pipe temperature sensor is in good condition.
Change overload
protector SAT
After power cut
for 20 mins
Overload protector
SAT is connected.
Use ohmmeter measuring the
overload protector resistance at ambient temp.
＜1000 Ω resistance
The electronic terminals
expansion FA in good condition
Check the electronic expansion
valve coil is installed on the
valve body correctly
Check the electronic expansion
valve body is block or not.
The fault is clear.
Check the refrigerant situation, please
add refrigerant according to the technical
specification when leakage happened.
The fault is clear.
Check the
exhaust temp sensor is normal
by the resistance table
Change the outdoor
control board
End
Good reference
circuit diagram
line connected
Change the exhaust
temperature
sensor
Troubleshooting Troubleshooting
61