Daikin Altherma EKHBH Series Service Manual page 108

Error Codes: Outdoor Units
1
Troubleshooting
3 3
4
Caution
5
3–22
Check No. 6
Check the thermistors.
Functioning
Check No. 4
Check the electronic expansion
valve.
Functioning
Check No. 11
Check the refrigerant line.
Functioning
See also:
"Check No.04" on page 3-51
"Check No.06" on page 3-53
"Check No.11" on page 3-59
Be sure to turn off power switch before connect or disconnect connector, or parts damage may be
occurred.
Malfunctioning
∗Discharge pipe thermistor
∗Outdoor unit heat exchanger thermistor
∗Outdoor themperature thermistor
Malfunctioning
Malfunctioning
∗Refrigerant shortage
∗Four way valve malfunctioning
∗Water mixed
∗Stop valve defective
ESIE06-03
Replace a defective thermistor.
Replace the valve itself or the
coil.
Refer to the refrigerant line
check procedure.
Replace the outdoor unit PCB.
Part 3 – Troubleshooting