– 67 –
Diagnostic Code
Number
Mode
Comments
07
Fan Speed Test
System fans are cycled ON in the following order:
Fresh Food fan on for 5 seconds (F1)
Freezer fan on for 5 seconds (F2)
Condenser fan (rear) on for 5 seconds (F3)
Condenser fan (front) on for 5 seconds (F4)
(F#) shown in the display for each fan motor
08
Sealed System 100%
Run Time
The compressors will run on HIGH 100% of the time. This
mode will time out after one hour of time, or it can be
manually terminated with a system reset. This mode
cannot be entered if the cooling system is set to
OFF
or
Demo
.
09
Toggle Defrost Off
Diagnostic code 9 will turn off the defrost cycle if the unit
is in or enters into defrost. This mode cannot be entered if
the cooling system is set to
OFF
.
Extended diagnostic modes 66 and 67 will test the
evaporator defrost heaters. Diagnostic code 66 operates
the Fresh Food defrost heater and 67 operates the
Freezer defrost heater. Run diagnostic #9 to terminate the
heater operation.
10
System Reset
Performs a system reset on the main board except for a
defrost cycle or compressor 100% run diagnostic.
11
Test Mode Exit
Exits the diagnostic test mode and returns the unit to
normal operation. Perform a board reset or diagnostic
mode exit to ensure all loads are reset after diagnostic
testing and/or repairs.
12
Main Board Version
Check
Used to display the software version running the main
board. Software version number will be displayed 2 digits
at a time (6 digits total).
13
Customer Control
Version Check
Used to display the software version running the
customer control. Customer control software version
number will be displayed 2 digits at a time (6 digits total).
14
Degree C/F
The
ZONE
key can be used to toggle between Celsius
(
CEL
) or Fahrenheit (
FAH
) temperature display.