Viking Dishwasher Error Codes

Viking Dishwasher 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

Viking Dishwasher Motor Control Status Error

Motor control communicates

1. Wires disconnected between motor control and motor (Variable Speed Motor) motor operation failure mode that is most likely caused by the motor control
2. Defective motor control
3. Defective motor

Viking Dishwasher Motor Control Com ms 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

Viking Dishwasher Diverter Timeout

Main control activates the diverter, but never sees feedback from the diverter that the correct position is reached

1. Wires disconnected between control board and diverter
2. Defective diverter
3. Defective control board

Viking Dishwasher Drain Error (pressure sensor models)

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
5. Verify that filters are not clogged
6. Defective drain pump
7. Defective pressure sensor
8. Defective control board

Viking Dishwasher 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

Viking Dishwasher Fill Error

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

Viking Dishwasher Low Level Error

Pressure sensor indicates a water level lower than the low level threshold

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

Viking Dishwasher High Level Error

Pressure sensor indicates a water level 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

Viking Dishwasher Siphon Error

Drains to fast (abnormal pressure sensor change)

1. Make sure that unit is level front to back and side to side
2. Verify that the drain line has the proper high loop
3. Defective pressure sensor
4. Defective main control

Viking Dishwasher User Interface – Main Control

User interface is unable to successfully communicate with the main control

1. Wires disconnected between main control and user interface
2. Defective cable between main control and user interface
3. Defective main control
4. Defective user interface

Viking Dishwasher Pump Flow Error

Control detects insufficient/inconsistent water flow through the wash system and will not allow the flow through heater to activate

1. Verify water is fully 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. Verify that filters are not clogged
5. Verify that there has not been a decrease in water pressure
6. Verify that the drain has the proper high loop
7. Verify proper fill level
8. Enable extended fill service mode (press and hold Normal Wash for 10 seconds)
9. Defective wash motor
10. Defective water inlet valve
11. Defective main control

Viking Dishwasher Drain Pump Error

Drain pump current sense is out of range

1. Wires disconnected between main control and drain pump
2. Defective drain pump
3. Defective main control

Viking Dishwasher Motor Status Error

Motor control communicates a motor operation failure mode that is most likely caused by the motor

1. Verify connection between motor control and motor
2. Defective motor control
3. Defective machine control

Viking Dishwasher Motor Under Voltage Error

Motor control communicates a low motor control voltage condition

1. Verify house voltage is in specification.
2. Verify connection at terminal block
3. Verify AC connection to the machine control
4. Verfiy connection between machine control and motor control
5. Defective machine control
6. Defective motor control

Viking Dishwasher Temperature Sensor Error

Temperature sensor reads out of range

1. Wires disconnected to temperature sensor
2. Defective temperature sensor
3. Defective control board

Viking Dishwasher Wash Heater Error

Wash heater current sense is out of range

1. Wires disconnected between main control and wash heater
2. Defective wash heater
3. Defective main control
4. Defective temperature sensor

Viking Dishwasher Dispenser Error

Dispenser current sense is out of range

1. Wires disconnected between main control and dispenser
2. Defective dispenser
3. Defective main control

Viking Dishwasher Inlet Valve Error

Inlet valve current sense is out of range

1. Wires disconnected between main control and inlet valve
2. Defective inlet valve
3. Defective main control

Viking Dishwasher Fill too Fast Error

Pressure sensor reaches the fill level too fast (abnormal pressure sensor change)

1. Make sure that unit is level front to back and side to side
2. Verify the house water pressure is within specifications
3. Defective inlet valve
4. Defective pressure sensor
5. Defective main control

Viking Dishwasher Vent Error

Vent current sense is out of range

1. Wires disconnected between main control and vent
2. Defective vent
3. Defective main control

Viking Dishwasher Blower Error

Blower current sense is out of range

1. Wires disconnected between main control and blower
2. Defective blower
3. Defective main control

Viking Dishwasher Dry Heater Error

1. Wires disconnected between main control and dry heater
2. Defective dry heater
3. Defective main control

Viking Dishwasher Current Sense Error

Main control reads current draw when no loads are active

1. Defective main control
2. Defective wire harness