USER GUIDE
Control Operation - Service 2
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SAFETY • INSTALLATION & INTEGRATION • OPERATING INSTRUCTIONS • MAINTENANCE •
SERVICE
SERVICE MENU
In addition to a feature rich customer menu, the 3000
series also offers a service menu with the ability to fine
tune and monitor unit operation.
To initiate the Service menu hold both and for 5
seconds.
Actual Temps
The Actual Temp option in the service menu will display
raw thermistor readings without calculating offsets.
1. Press to select “Actual Temps”.
2. Press .
3. Use
and
to
scroll
through available thermistor
readings.
To exit the Actual Temps menu press to select “Return
to Menu” and press to confirm.
All Errors
The All Errors option keeps record of any system errors.
When an error occurs it is recorded to all errors. The
number next to the error indicates the number of recorded
instances. Errors in the log may not be currently active.
The error log memory is non volatile and is persistent
should power be lost and restored to the unit. See below
for a list of logged errors and their respective descriptions.
Up
Select
Down
RETURN TO MENU
ACTUAL TEMPS
ZONE = 2°C
EVAP = °C
Up
Error ID
Number
Of Occurrences
Select
Down
RETURN TO MENU
ALL ERRORS
NO COMM 0
ZONE T OPEN 0
ID
Description
Solution
No Comm
Unit lost
communication
to the display.
Unplug the communication
cable from the user interface.
Check the black to red
conductors looking for 5 VDC. If
voltage is present replace the
user interface. If no voltage is
present check for 5 VDC at the
main board where the
communication cable plugs
onto the pins for the red and
black conductors. If 5 VDC is
not present replace the main
control board. If 5 VDC is
present replace the
communication cable.
Bin T Open
Bin thermistor
circuit open.
Condenser T
Open
Evaporator
thermistor
circuit open.
Check thermistor connection to
harness for moisture or
corrosion. Also check
connection
Bin T Short
Bin thermistor
circuit shorted.
where thermistor harness
attaches to main board. If
connections are valid replace
the thermistor.
Condenser T
Short
Condenser
thermistor
circuit shorted.
Temp Hi
6H+
Not used.
Not used.
Temp Lo
6H+
Not used.
Not used.
Temp Hi
12H+
Not used.
Not used.
Temp Lo
12H+
Not used.
Not used.
Time to
Clean
Water
circulation
system requires
cleaning.
Clean unit with 37050 cleaner.
Door Open
5M
Door switch
open for more
then 5 minutes.
Check door switch magnet reed
switch alignment when door is
in closed position. Check reed
switch connection at the
harness and the main board.
Drain
Blocked
Drain pump has
detected a
problem.
Check drain hose for restriction
or drain pump for correct
operation.
WTD Reset
Software reset if
communication
is lost
No Action Required
