Samsung DMT300 Series Service Manual page 36

4. Troubleshooting
Error type Error mode
Low Level 'Normal' +
Water Error 'Heavy' +
'Quick' LED
Button error 'Normal' +
'Delicate' LED
Error type Error mode
Heater error 'Heavy' +
'Delicate' LED
4-7
Checking Method
1) Check the connections for the Low Level Sensor connectors.
• Faulty: Replace the Low Level Sensor, Remove foreign material
from the floater
• Normal: Replace the Main PBA assy.
1) Check whether there is condensation on the Main PBA connector
(CN803)
Checking Method
1) Check the connections of the Heater connectors.
2) Check the resistance between both ends of the Heater.
: Check the resistance between both ends of the Heater directly, or check
the resistance between the red wire of the Heater Relay and the amber
and yellow wires of the Power Relay, respectively.
• Normal: Approx. 13Ω
NOTE
Check after disconnect circuit breaker or power cable.
Corrective actions
Reconnect the Low Level Sensor connectors.
•
• Faulty: Replace the Low Level Sensor, Remove foreign material
from the floater
• Normal: Replace the Main PBA assy.
Faulty: Remove any condensation and moisture.
•
• Normal: Replace the Control Panel assy.
Corrective actions
Reconnect the Heater connectors.
•
• Faulty: Replace the Heater.
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