Samsung DMT300 Series Service Manual page 38

4. Troubleshooting
Error type Error mode
Over Level 'Heavy' +
Water Error 'Quick' LED
4-9
Checking Method
1) Check the connections for the Overflow Sensor connector.
2) Check whether the Inlet Valve operates normally
3) Check whether water is supplied (even small amounts) in the intervals
when the Inlet Valve is not operating.
4) Check whether there is any trace of water leakage on the top of the Case
Sensor.
5) Check whether an "Over Level Water Error" is detected when the assy
wire-harness connector for Overflow Sensor is not connected.
• Normal: The "Over Level Water Error" does not occur.
Corrective actions
Reconnect the Overflow Sensor connector.
•
• See "Water supply Error".
Remove foreign material from the Inlet Valve.
•
If you cannot remove the foreign material from the Inlet Valve,
•
replace it.
Clean the Hose-Sensor and the Case Sensor.
•
Faulty: Replace the Main PBA assy.
•
• Nomral: Replace the Flow Meter.
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