Samsung DW80M9 Series Service Manual page 37

Check Check
code code
Display Recall
- The start temperature is saved 30 seconds after heating starts.
Thereafter, if the temperature change is equal to or less than 4℃
for 10 minutes, the heater relay is turned off for 1 second and
No display HC1
then restarts heating. Then, if the temperature change is equal
to or less than 4℃ for 10 minutes again, an HC1 check code
occurs.
- When the temperature is measured as equal to or greater than
HC HC
80℃ for 3 seconds.
- When the button is pressed and held for 30 continuous seconds
No display bC2
or longer.
- When IC communications between the Sub PBA and the touch
No display bC3
button fails.
- When communications between the main PBA and the sub PBA
No display AC fails for 24 seconds.
(In Test Mode, communication fails for 6 seconds.)
No display, - When the response is not received from inverter PBA for 3
change to AC6 seconds, Inverter RELAY OFF for 2 minutes.
pause After repeated 3 times, display the check code
- When the water leakage sensor data is equal to or less than 3V
LC LC
for 3 seconds.
- When the overflow sensor data is equal to or less than 3V for 5
OC OC
seconds.
When occur Symptom
- Keep going remained cycle with heater off
condition.
- The driving part stops and the main relay is
turned off.
- Keep going remained cycle
- Keep going remained cycle
- Keep going remained cycle
- Inverter Relay 2min off, 3sec on(until find
response)
- Display change to pause
- Main relay off.
- If sensor data over 3V is detected after draining
(20 seconds on/5 seconds off) is performed for
3 minutes, the drain pump is turned off. If data
over 3V is detected, draining is performed for 3
minutes and then the sensed data is checked
again.
- If check code has occurred when set operating,
3times '3min drain' retry, and display "OC" (No
operating condition, display "OC" without retry)
- During retry 3times, display 'pause'
Possible Causes
- The heater is out of order.
- The heater is improperly connected.
- The heater is out of order.
- The thermistor is out of order.
- The touch button is out of order.
- An object is on the touch button.
- The touch button is out of order.
- The sub PBA or touch button PBA is not
properly connected.
- The main PBA or sub PBA is out of order.
- The communications connection for the
main PBA or sub PBA is not properly
connected.
- The main PBA or Inverter PBA is out of
order.
- The communications connection for the
main PBA or Inverter PBA is not properly
connected.
- There is a water leak.
- The case brake fails to detect the pulse.
- The valve water is out of order.
Troubleshooting_35