Samsung DISHWASHER, Service Manual

Page: 54 / 72

52 _ Troubleshooting
Error Type Error mode Checking method Corrective actions
Circulation
Pump error
3E
(3E1 -3E4)
1. Check whether there is any foreign material in the
Circulation Hose and Circulation Pump.
- Remove the foreign material in the Circulation Hose and Circulation Pump.
2. Check the connections for the Circulation Pump connector. - Reconnect the Circulation Pump connector.
3. Check whether the Circulation Pump coil is conductive.
(Remove the connector before measuring.)
׻ 1RUPDO$SSUR[ȍ“
- Faulty: Replace the Circulation Pump.
4. Check the operation of the Inverter PBA
4-1. Check the operating AC voltage of the Inverter PBA CN5
connector
׻ Normal : 110V ~ 120V (while operating)
- Faulty: Replace the Main PBA assy
4-2. Check the operating LED(red) of the inverter PBA
׻ Normal : Fully turn-on (while operating)
- Faulty: Replace the Inverter PBA assy.
4-3. Check the operating voltage between #1 and #2 of the
Inverter PBA CN6 connector at L3(Lc) in test mode
׻
Normal : 50V ~ 90V (while operating)
׻
How to do L3(Lc) in test mode
- Push Booster left key+Booster right key+Power key at the
same time
- Push the Linear Auto key
$OO/HG'LVSOD\ĺ9HUVLRQ'LVSOD\ĺ$WĺQ7ĺ/)Wĺ
//Fĺ//Gĺ/+Gĺ/ĺ/ĺ/ĺ/ĺ/$
ĺ/Eĺ9HUVLRQ'LVSOD\ĺUHSHDWHG
- Faulty: Replace the Inverter PBA assy.
- Normal: Check a connection between the Inverter PBA and the Circulation
Pump.