Samsung DMR57 Series, Service Manual

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4. Troubleshooting
4-4
Error type Error mode Checking Method Corrective actions
Water supply error 4E1
1. Check the hot water connections for the Inlet Valve. - Adjust the hot water supply so that the temperate of the supplied water is less
than 176˚F (80˚C)
2. Check the operation of the Thermistor. - See the “tE1 error”.
Drain error 5E
1. Check whether there is any foreign material in the
Drain Hose.
- Remove the foreign material from the Drain Hose.
2. Check the operation of the Low Level Sensor. - See the “9E error”.
3. Check the connections for the Drain Pump
connector.
- Reconnect the Drain Pump connector.
4. Check whether the Drain Pump coil is conductive.
(Remove the connector before measuring.)
Normal: Approx. 25Ω
➢
- Faulty: Replace the Drain Pump.
5. Check the operation of the Drain Pump Relay
: Check the operating voltage between the white
wire of the Main PBA CN1 connector and the
amber wire of the CN14 connector.
Normal: 120V (while operating)
➢
New PBA
5-1.Check the operation of the Drain Pump Relay
: Check the operating voltage between the white
wire of the Main PBA CN101 connector and the
amber wire of the CN201 connector.
Normal: 120V (while operating)
➢
- Faulty: Replace the Main PBA assy.
- Normal: Replace the Drain Pump.
6. Check the operation of the Power Relay. - See the “Power Relay error”.
NEW PBA