© 2010 Viking Preferred Service
17
Diagnostics
Cooling Diagnostics Service Tests
Step 1–Freezer Compartment Thermistor
This is an internal board test. The board will check the resistance value of the thermistor and display the result
on the RC Temp Display.
Pass
Open
Short
Step 2–Refrigerator Compartment Thermistor
This is an internal board test. The board will check the resistance value of the thermistor and display the result
on the RC Temp Display.
Pass
Open
Short
Step 3–Evaporator Fan Motor and Air Baffle Motor
Verify the air flow in the baffle changes.
Not
Available
Step 4–Condenser Fan Motor
Line voltage switched to components from board. Verify 120 VAC between line and neutral at motor.
On
Off
Step 5–Compressor
Set the compressor speed using the RC temp increase to ramp-up, and RC temp decreases to ramp-down.
Max Speed
Min Speed
Ramping up from
Ramping down
Min to Max
from Max to Min
0 1
0 2
0 3
0 1
Press Both
to activate
0 1
0 2
0 3
0 2
Press Both
to activate
0 3
Press Both
to activate
0 1
0 4
Press Both
to activate
0 2
0 5
Press Both
to activate
02
0 1
0 2
0 1
