Troubleshooting; Preparation - Samsung DW80K5050US Service Manual

4. TROUBLESHOOTING

4-1. PREPARATION

4-1-1. Check Code
Check Check
code code
Display Recall
Conditions for error to occur:
Condition 1)
If the number of water supply pulses increases to fewer than 10
within 20 seconds after water is supplied. (If it increases to fewer
than 10 within 10 seconds, turn the water supply valve 'OFF' for 1
second and then re-supply.)
Condition 2)
4C 4C
If 20 seconds after water is supplied (in other words, if Condition
1 is satisfied) and water supply Pulse is checked every minute, it
does not increase by more than 30 compared to before.
Condition 3)
If the TargetPulse is not reached within 60 minutes after water
is supplied.
- When the temperature sensor data output is equal to or
greater than approximately 4.5V or is equal to or less than
approximately 0.2V
No display
tC
- When the water temperature is detected as equal to or less
than - 3℃ for 30 seconds in succession during the cleaning
the heater operation.
- 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
No display
HC1
1 second and then restarts heating. Then, if the temperature
change is equal to or less than 4℃ for 10 minutes again,
an HC1 check code occurs.
34 _ Troubleshooting
When occur Symptom
Condition 1)
Water supply valve OFF
Condition 2)
If draining is performed for 3 minutes while
water supply valve is OFF.
(20 seconds ON/ 5 seconds OFF)
Condition 3)
If draining is performed for 3 minutes while
water supply valve is OFF.
(20 seconds ON/ 5 seconds OFF)
- Heater off and keep going remained cycle.
- No Rinse aid during rinse cycle
- Keep going remained cycle with heater off
condition.
Possible Causes
- The water supply pressure is low.
- The water supply valve is closed.
- The aqua stop is out of order.
- The case brake fails to detect
the pulse.
- The thermistor is out of order.
- The heater is out of order.
- The heater is improperly connected.