Daikin FTKB24AXVJU - Page 49

Service Diagnosis
41
E5
Description
COMPRESSOR OVERLOAD
Possible Root
cause
1. Refrigerant Shortage.
2. 4 way valve malfunction.
3. Electronic expansion valve defective.
4. Outdoor unit PCB defective.
5. Water mixed in refrigerant.
Troubleshooting
#Compressor winding resistance 1.18
#Refer page 69 item 6.3
Resistance
No
Yes
Compressor
stop without
No
Yes
Change outdoor PCB.
Change compressor.
Turn off unit. Disconnect
compressor wire hardness
(U.V.W) and check winding.
on unit.
Check expansion.
Yes
No
Yes
Yes
No
check procedures.
No
Check four
Check
#Refer page 69 item 6.2
#Refer page 70 item 6.4
(68°F)