Viking vdsc530t Service Manual page 70

Service Diagnostics and Procedures
Troubleshooting Guide (cont.)
Problem
No cooking functions or
fans. Oven lights and UI
functioning
Lights won't come on
when door is opened, will
work with light switch
No self-clean, bake and
broil operate normally,
oven lights operate, door
won't lock
DOOR ERR shows in
display and UI beeps
DOOR LATCH Err shows
in display and UI beeps
No self-clean, bake and
broil operate normally,
oven lights operate,
door will lock
Oven in self-clean mode,
oven heats, (oven not
reaching elevated clean
temperatures)
Oven door won't unlock
(oven below elevated
clean temperatures)
Oven lights inoperable
(bulbs OK)
Oven light will not work
Blower motor inoperable
Cooling fan runs all the
time
© 2010 Viking Preferred Service
Probable Cause
Unit set to Showroom Mode
Unit in Sabbath Mode.
Open door latch motor
Defective door interlock switches
Open relay
Open door interlock switch
Defective latch switch (S1 or S2).
Broken wire to switch
Defective control board
Oven control board
Defective oven wiring (shorted,
open, or burned)
Oven sensor out of calibration
Control board
Open door latch motor
Oven sensor out of calibration
Control board
Open relay
Defective oven wiring (shorted,
open, or burned)
Control board
Open relay
Defective oven wiring (shorted,
open, or burned)
Light bulb is burned out
Supply voltage
Open blower motor
Open relay
Open RTD
Broken wire to RTD
Defective control board
Correction
Disable Showroom Mode
Disable Sabbath Mode
Confirm resistance
Test switches as per instructions on page 45
Replace control board
Test repair or replace door switch or control board
Test repair or replace door switch or control board
Replace control board
Repair or replace defective wiring
Replace RTD Sensor
Replace control board
Replace door latch motor
Ohm oven sensor
Replace control board
Repair or replace defective wiring
Replace control board
Replace control board
Repair or replace defective wiring
Check bulb and replace if defective
Verify source voltage
Check blower resistance
Replace control board
Replace RTD
Repair wiring to RTD
Replace control board
70