Service Manual -
DVC 09/12/18/24 SF Series
39
44
8.2.
7
Overload current protection diagnosis and solution
(F0)
Error Code
F0
Malfunction conditions
An abnormal current rise is detected by checking the specified
current detection circuit.
Possible
causes
●
Power supply problems
●
System blockage
●
PCB faulty
●
Wiring
error
●
Compressor malfunction
Troubleshooting:
Check the power supply.
Is it normal?
Check the connections and
wires.
Is it well connect
ed
?
Stop the unit.
Check the power supply
.
No
Yes
No
Correct the connections or
replace the wires.
Yes
Replace the outdoor main PCB
.
Yes
Check the reactor
.
Is it normal?
No
Replace the reactor
.
Is there any block
age
?
No
Yes
Clear the blockage
.
Check the compressor
resistance values refer to
[
Compressor checking
].
Is it normal?
Yes
No
Replace the compressor
.
Summary of Contents for A-DVC09SF-0
Page 8: ...Service Manual DVC 09 12 18 24 SF Series 8 6 For B DVC09SF 0 For B DVC12SF 0 For B DVC18SF 1 ...
Page 9: ...Service Manual DVC 09 12 18 24 SF Series 9 7 For B DVC24SF 1 ...
Page 13: ...Service Manual DVC 09 12 18 24 SF Series 13 For A DVC24SF 1 ...
Page 14: ...Service Manual DVC 09 12 18 24 SF Series 14 4 Refrigerant Cycle Diagram ...
Page 42: ...Service Manual DVC 09 12 18 24 SF Series 42 47 P W N U ...
Page 43: ...Service Manual DVC 09 12 18 24 SF Series 43 48 N V N W ...
Page 55: ...Service Manual DVC 09 12 18 24 SF Series 55 This page intentionally left blank ...