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Troubleshooting - Samsung DW80H9940US/AA Service Manual

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4. TROUBLESHOOTING

4-1. INFORMATION CODE
4-1-1. DW80H99
US
Code
When occur
- When the number of detected water supply pulses is less than 10
within 20 seconds after water is supplied.
- When the number of detected water supply pulses is less than
4E
100 within 80 seconds after water is supplied.
- When the target water level is not reached within 5 minutes after
water is supplied.
5E
- In case the power of the drain pump power exceed 20W in the
(5E1 - 5E5)
operation of the Drain pump even if it operates with 3 times.
- When the location is not detected for 2 minutes after the
synchronous motor operation. (In Test Mode, when the location is
not detected for 1 minute.)
PE
- In the cleaning section, when the location is not detected
for 3 minutes.
- 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.
tE
- When the water temperature is detected as equal to or less
than - 30
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
HE-1
off for 1 second and then restarts heating. Then, if the
temperature change is equal to or less than 4oC for 10
minutes again, an HE-1 error occurs.
- When the temperature is measured as equal to or greater than
HE
80
for 3 seconds.
44 _ Troubleshooting
Symptom
- If an error has occurred when the number of detected water supply
pulses is less than 10 within 20 seconds after water is supplied, the
water supply valve is turned on once and waits.
- All driving parts except for the drain part are turned off and draining
(20 seconds ON/ 5 seconds OFF) is performed for 3 minutes.
- The driving part stops.
- Draining (20 seconds on/5 seconds off) is performed for 3 minutes.
- Draining (20 seconds on/5 seconds off) is performed for 3 minutes.
- Draining (20 seconds on/5 seconds off) is performed for 3
minutes.
- The driving part stops and the main relay is turned off.
Possible Causes
- The water supply pressure is low.
- The water supply valve is closed.
- The water involved iron or hard water or sealing tape is stuck in
water supply valve.
- The case brake fails to detect the pulse.
- Any dirt or other remains are stuck in drain pump and drain hole
inside sump.
- The drain pump is out of order.
- The Main PBA is out of order.
- The Inverter PBA is out of order.
- The synchronous motor is out of order.
- The location in the cam is incorrect.
- The thermistor is out of order.
- The heater is out of order.
- The heater is improperly connected.
- The heater is out of order.
- The thermistor is out of order.

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