Causes
Check Point
Drain hose, water level sensor, drain pump, main PBA
ㆍ
Drain hose blocked
ㆍ
Water level sensor defective
ㆍ
Drain pump defective
ㆍ
Main PBA defective
#2. No Drain
2-1. No Drain
Symptom
ㆍ
Dishwasher doesn’t drain.
Step 1 :
Drain Hose
!
Check if the drain hose is fold or kinked.
"
Check if drain hose is clogged or restricted
! )#$%&!
Step 2
: Water Level Sensor
!
Check the connections for the Water-level sensor.
"
Check for the operation of the Water-level sensor.
If it is faulty, replace the assembly case sensor and
remove foreign material from the float
If it is normal, replace the Main PBA assembly.
Step 3
: Drain Pump
!
Check the connections of the Drain Pump.
"
Check the resistance of the drain pump coils.
(
Drain Resistance : approximately 25Ω
If the value is not normal, replace the Drain pump.
Step 4
: Main PBA
!
Check the operation of the Drain Pump Relay.
→ Check for the operating voltage between the yellow wire of the Main PBA CN101
connector and the orange wire of the CN202 connector.
(
The Voltage : AC 120V (while operating)
If the value is not normal, replace main PBA.