Samsung DMR78 Series Service Manual

Also see for DMR57 Series: User manual Installation guide User manual User manual Installation guide

4. Troubleshooting4-4Error type Error mode Checking Method Corrective actionsWater supply error 4E11. Check the hot water connections for the Inlet Valve. - Adjust the hot water supply so that the temperate of the supplied water is lessthan 176˚F (80˚C)2. Check the operation of the Thermistor. - See the “tE1 error”.Drain error 5E1. Check whether there is any foreign material in theDrain 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 Pumpconnector. - 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 whitewire of the Main PBA CN1 connector and theamber wire of the CN14 connector.Normal: 120V (while operating)➢New PBA5-1.Check the operation of the Drain Pump Relay: Check the operating voltage between the whitewire of the Main PBA CN101 connector and theamber 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 PBAAll manuals and user guides at all-guides.com