Samsung AVXC2H056EE, Service Manual

Page: 132 / 508

Troubleshooting
Samsung Electronics 4-41
t&WBMVBUFTUIFPQFSBUJPOTUBUFPGUIFPVUEPPSVOJUDPNQSFTTPS
t*GJUJTEFUFSNJOFEUIBUBOJOTQFDUJPOPGUIFDPNQSFTTPSPQFSBUJPOJTSFRVJSFEQMFBTFQFSGPSNUIFJOTQFDUJPOJOUIFGPMMPXJOHPSEFS
■
Compressor Operation Auto Inspect
(Print S-net pro result report “Inspection required”)
(Operation)
◑
(Timer) ◑ (Fan) ◑ (Filter) (Defrost)
t
Compressor malfunction or compressor operation failure
t
Please refer to determining method below
Outdoor unit display
Indoor unit display
Criteria
Cause of problem
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Is the compressor
power cable connected
properly?
Is the compressor
fuse working properly?
Is the CT sensor
Connector connected
properly?
Is the Comp. CT
value at “0” when the outdoor unit
is in a Stop state?
Test-run mode
End
Is the compressor operating?
Is the current reading
result and CT sensor value the same for the
relevant compressor?
Is the PWM valve working normally?
Does the relevant
compressor current value satisfy “4 <
compressor CT < 20”?
Correct power cable connection
Replace fuse
Re-connect Connector
Replace CT sensor
Replace PBA
Install current reading device
Replace CT sensor
Inspect/replace PWM valve
- Replace compressor
No
No
No
No
No
No
No
No
❈
Fuses must be replaced if changes have
occurred in their appearance or when their
resistance reading is displayed as infinite.
★ When loading/unloading, no change in the
high/low pressures of the cycle signifies the
PWM valve is not working normally.
★
$9;&6+B$BaLQGG