34 _ Troubleshooting
4. TROUBLESHOOTING
4-1. PREPARATION
Check
code
Display
Check
code
Recall
When occur
Symptom
Possible Causes
4C
4C
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)
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.
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)
- 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.
No display
(The drain
is clogged.)
5C
- In case of drainage cloging.
- Keep going remained cycle.
- A foreign object has entered the drain
pump and the pump is stuck.
- The drain pump is out of order.
-The Main PBA is out of order.
- The Inverter PBA is out of order.
5C
5C1~5C6 - Drain pump check code occurred 11 times, 5minutes pause and
retry. when pause condition is occurred 3times.
- The driving parts stops.
- Retry until 2nd time, and then 3rd time display
check code.
No display
PC
- When the location is not detected for 2 minutes after the
synchronous motor operation.
(after 1minute, Synchronous stop. and then after 1sec retry with
c-pump also stopped condition)
- Vane move to reset location and keep going
remained cycle with heater off condition.
- The synchronous motor is out of order.
- The location in the cam is incorrect.
No display
tC
- 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
- When the water temperature is detected as equal to or less than
-3
℃
for 30 seconds in succession during the cleaning the heater
operation.
- Heater off and keep going remained cycle.
- No Rinse aid during rinse cycle
- if C-pump RPM target 3000, change to 3000rpm.
- The thermistor is out of order.
4-1-1. Check Code