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Samsung DW80H9940US/AA Service Manual page 53

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Error Type
Error mode
1. Check whether there is any foreign material in the Drain
2. Check the connections for the Drain Pump connector.
3. Check whether the Drain Pump coil is conductive.
4. Check the operation of the Inverter PBA
5E
Drain error
(5E1 - 5E5)
Check whether there is condensation on the PBA.
Key input
bE-2
error
bE-3
Normal: No condensation
Checking method
Hose, Drain Pump, drain hole inside sump.
(Remove the connector before measuring.)
4-1. Check the operating AC voltage of the Inverter PBA
CN5 connector.
Normal: 110V ~ 120V (while operating)
4-2. Check the operating LED(red) of the inverter PBA.
Normal: Fully turn-on (while operating)
4-3. Check the operating voltage between #1 and #2 of
the Inverter PBA CN8 connector at LA in test mode.
Normal:50V ~ 90V (while operating)
How to do LA in test mode
- Push Booster left key+Booster right key+Power key at
the same time.
- Push the Linear Auto key
- CN103 of Display Control Module connector
- CON100 TOUCH Module connector
Corrective actions
- Remove the foreign material in the Drain Hose, Drain Pump, drain hole inside
sump.
- Reconnect the Drain Pump connector.
- Faulty: Replace the Drain Pump.
- Faulty: Replace the Main PBA assy
- Faulty: Replace the Inverter PBA assy.
- Faulty: Replace the Inverter PBA assy.
- Normal: Check a connection between the Inverter PBA and the Drain Pump.
- Faulty : Remove any condensation and moisture.
- Normal : Replace the Control Panel assy.
(Display Control Module, Touch Module, Sub Wire)
Troubleshooting_51

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