Service Procedures
30
©2012 Viking Preferred Service
REF
TEMP
FRZ
TEMP
FAST
COOL
ACTIVATE
CONTROLS
FAST
COOL
HIGHER
LOWER
HIGHER
LOWER
Program Modes
Program mode A is entered by first
pressing and releasing "ACTIVATE
CONTROLS", then press and
release "FAST COOL" once and
within five seconds press and
release the following pads
in sequence, "HIGHER,
LOWER, HIGHER,
LOWER" You will hear an
audible three beeps and
the numeric display will
change to "PrA", see illustration
below.
Program Mode A
Press "REF TEMP" pad once to
display the value of the thermistor
temperature with the offset, no
filtering is applied to the display.
This readout will reflect instantaneous
temperature changes on the refrigerator
thermistor as shown below.
Display Ref Temperature
Display Frz Temperature
Press "FRZ TEMP" pad once to
display the value of the thermistor
temperature with the offset, no
filtering is applied to the display.
This readout will reflect instantaneous
temperature changes on the freezer
thermistor as shown in illustration, next
column.
Defrost mode selection
Unit is shipped in Adaptive defrost mode,
this can be changed to Conventional defrost
mode using the following procedure while in
Mode A.
Press the "FAST COOL" pad once
to display the current defrost mode.
This will result in a display of "Add"
for adaptive or "Cnd" for conventional as
shown in the illustrations below.
At this point pressing and releasing the
"FAST COOL" pad will toggle between
adaptive and conventional defrost modes of
operation.
Conventional defrost time adjustment
(CRTD)
The conventional defrost is adjusted based
upon compressor run time between defrost
cycles (CRTD). This time can be adjusted
from between 4 hours (minimum) to 24 hours
(maximum) in one hour increments.
Conventional defrost must first be selected as
shown in previous step.
