© 2010 Viking Preferred Service
16
Diagnostics
Service Diagnostics Mode
To enter service diagnostic mode, press the “ICE” and “LIGHT” buttons simultaneously for 3 seconds.
Release both buttons when you hear the CHIME indicator.
Note:
Unit must not be in Lockout prior to entering service diagnostic mode.
The freezer compartment temperature display will show “01” to indicate the control is in step 1 of the
diagnostics routine.
Once in diagnostic mode, the control goes through a 28 step process. Steps 1 through 7 are for the cooling
diagnostics and steps 8 through 28 are for the dispensing diagnostics. Each step must be manually advanced.
To advance to the next step, press the freezer compartment “TEMP UP” button. To return to the previous
step press the freezer compartment “TEMP DOWN” button. Diagnostics will begin at step 1. Each step is
displayed in the two digits on the left (digits 1 and 2) of the dispenser user interface display. The steps results
are displayed in the two digits on the right (digits 3 and 4) of the dispenser user interface display.
To exit service diagnostics mode perform one of the following:
1. Press the “SET” or “RETURN” button for three seconds.
2. Disconnect power to the unit.
3. Unit will automatically exit diagnostic mode after 20 minutes.
0 1
0 1
Press Both
to activate
–
–
+
SET
˚F / ˚C
0 1
0 1
Press Both
to activate
–
–
+
SET
˚F / ˚C