High Temperature Water Supply Error; Drain Error - Samsung DMT800 SERIES Service Manual

4. Troubleshooting
Error type Error mode
3E
[Or]
High temperature Water 'Normal' +
supply error 'Delicate' +
'Smart Auto'
LED
5E

Drain error

[Or]
'Delicate' LED
4-8
Checking Method
1. Check the hot water connections for the Inlet Valve.
2. Check the operation of the Thermistor.
1. Check whether there is any foreign material in the
Drain Hose.
2. Check the operation of the Water-level sensor
3. Check the connections for the Drain Pump
connector.
4. Check whether the Drain Pump coil is conductive.
(Remove the connector before measuring.)
Normal: Approx. 25Ω
5. Check the operation of the Drain Pump Relay
: Check the operating voltage between the yellow
wire of the Main PBA CN101 connector and the
orange wire of the CN202 connector.
Normal: 120V (while operating)
Corrective actions
- Adjust the hot water supply so that the temperate of the supplied water is
less than 176˚F (80˚C)
- See the "Temperature sensor error"..
- Remove the foreign material from the Drain Hose.
- See the "Low-level water error"
- Reconnect the Drain Pump connector.
- Faulty: Replace the Drain Pump.
- Faulty: Replace the Main PBA assy.
- Normal: Replace the Drain Pump.
- Remove retainer.
- Check voltage.