Samsung RH29H9000SR Service Manual page 52

TROUBLESHOOTING
※ Self-diagnostics check list
LED
F R
I/O Expander
Communication Error
The F compartment
hightemperature
indicator blinks
The R compartment
hightemperature
indicator blinks
Comp starting Failure
or
IPM Fanlt Error
Comp Abnormal
current Detection
Motor Locked Over
Comp under voltage
Comp over voltage
Item Trouble contents
Display 46Er in the panel :
I/O Expander ↔ Main MICOM
communication error.
When the freezer temperature is
abnormally high or the freezer door is open
abnormal
for a certain period of time and the freezer
temperature increases, the freezer display
blinks.
When the freezer temperature is
abnormally high or the fridge door is open
abnormal
for a certain period of time and the fridge
temperature increases, the fridge display
blinks.
When the Compressor fails starting
Error
When there is a IPM Fault error
When there is abnormal current detected
at the Compressor
Error
When there is a Compressor restriction
RPM Error
When there is a low voltage error
Error
When there is a over voltage error
Error
F
52
Diagnostic method
It is desirable to replace Main PCB.
The temperature has been abnormally
increased. Check if the door has been open
for a long time or if hot food has been stored in
the compartment. If the reason for the error is
removed, the error code disappears after a pre-
Check if door has been open for a long time or
if hot food has been stored in the compartment.
If the reason for the error is removed, the error
code disappears after a pre-determined period
Check if there is a short between compressor
terminals. Check IPM Voltage [Under 13.5V]
Check if there is a short between IPM Pins
Check the Compressor and the Cycle
Check the Compressor connections Check the
voltage of Resistance of R308
[0.09Ohm] Check the Compressor and the
Check the voltage of Resistance of R308
[Short/Open] Check the voltage of both of
error C103 terminals [Unstable Voltage] Check the
Check the voltage of Resistance of R513 [Short/
Check the voltage of Resistance of R501, R505,
R
determined period of time.
of time.
[#1~33]
Cycle
Compressor and the Cycle
Open]
R509 [Short/Open]