© 2011 Viking Preferred Service
16
Service Diagnostics and Procedures
Fail Codes
LED 1
Pots &
Pans
LED 2
Normal
Wash
Service
Cycle
Only
Error Code
Cause
Action
Note
1 1 Moisture sensor
disconnect
Moisture sensor reads out of
normal range
1. Wires disconnected to moisture sensor
in base pan
2. Defective moisture sensor
3. Defective control board
1 2 Motor control
status error
Motor control communicates a
motor operation failure mode
that is most likely caused by the
motor control
1. Wires disconnected between motor
control and motor
2. Defective motor
3. Defective motor control
1 3 Motor control
comms error
Main control cannot succesfully
communicate with the motor
control
1. Wires disconnected between motor
controller and control board
2. Defective Motor control
3. Defective control board
1 4 Diverter
timeout
Main control activates the
diverter,but never sees feedback
from the diverter that the correct
position is eached
1. Wires disconnected between control
board and diverter
2. Defective diverter
3. Defective control board
1 5 Drain error During a drain, the pressure
sensor output never drops to
the“empty” level
1. Verify that dishwasher drain hose is not
clogged or kinked
2. Verify that plug has been removed from
disposal (if so connected)
3. Verify that hose has a high loop per
installation guide
4. Verify that dishwasher is level front to
back and side to side
2 1 Pressure Sensor
Disconnect
Error
Pressure sensor reads out of
normal range low
1. Verify the pressure sensor is properly
connected
2. Defective pressure sensor
3. Defective sensor harness
2 2 Fill Error During a fill, the pressure sensor
output does not reach target fill
pressure
1. Verify water is turned on to dishwasher
2. Verify that fill line is not kinked
3. Verify that dishwasher is level front to
back and side to side
4. Verfiy there has not been a decrease in
water pressure
5. Defective pressure sensor
6. Defective control
2 3 Low Level Error Pressure sensor indicates a water
level lower than the low level
thresMotor Undervoltage Error
1. Low water level in sump (check that
items are secured in rack)
2. Verify that the drain has the proper high
loop
3. Defective pressure sensor
4. Defective main control
2 4 High Level Error Pressure sensor indicates a
waterlevel higher than the high
level threshold
1. Excess water in sump (check that items
are secured in rack)
2. Defective pressure sensor
3. Defective main control
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