USER GUIDE
Control Operation - Service 3
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SAFETY • INSTALLATION & INTEGRATION • OPERATING INSTRUCTIONS • MAINTENANCE •
SERVICE
To access All Errors follow the steps below.
1. Press to select “All Errors”.
2. Press .
3. Press and to scroll through available
information.
To clear the error log, press to select “Clear Errors”
and press to confirm.
To exit the Actual Temps menu, press to select
“Return to Menu” and press to confirm.
Relay Status
Relay status displays the current state of each relay. While
all available relays are displayed, only a portion are used.
NOTE: The Cond (Condenser Fan) will switch state with
the compressor relay, however the condenser fan is
actually powered through a DC output and is independent
of the Cond relay. Condenser fan status can be viewed
through the “Output” service menu option.
To access Relay Status
1. Press to select “Relay Status”.
2. Press .
3. Press and to scroll through available
information.
To exit the Relay Status simply press to exit.
Relay Toggle
Relay toggle is used to manually switch the state of each
relay to test for proper operation. In addition to the AC
relays, DC outputs may also be toggled. Relay toggle can
also be used to force the unit into a particular state. For
example, to force a 3018 / 3045 into a cooling cycle
activate Comp, F1, and F3.
Time To
Clean
Water
circulation
system
requires
cleaning.
Clean unit with 37050 cleaner.
Blocked
Drain
Drain pump
has detected a
problem.
Check drain hose for restriction
or drain pump for correct
operation.
ID
Description
Status
Mull
Mullion Heater
Not Used
Cond
Condenser Fan
Used
Def
Defrost Valve
Not Used
LVLV
Left Valve
Not Used
RVLV
Right Valve
Not Used
Pan
Pan Heater
Not Used
Comp
Compressor
Used
ID
Description
Solution
Up
Select
Down
RETURN TO MENU
RELAY STATUS
MULL COND DEF LVLV
OFF OFF OFF OFF
WV
Water Valve
Used
Pump
Circulation Pump
Used
Harvest
Harvest
Used
ID
Description
Type
Cond
Fan
AC
LVLV
Left Valve (Not Used)
AC
RVLV
Right Valve (Not Used)
AC
Pan
Pan Heater (Not Used)
AC
Comp
Compressor
AC
F1
Evaporator Fan (Not Used)
DC
F2
Evaporator Fan (Not Used)
DC
ID
Description
Status
Up
Select
Down
RETURN TO MENU
RELAY TOGGLE
MULL OFF
COND OFF