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USER GUIDE
Control Operation - Service 3
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. Condenser fan
status can be viewed through the “Output” service menu
option.
To access Relay Status
1. Use 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 switches may also be toggled. Relay toggle can
also be used to force the unit into a particular state.
To access Relay Toggle
4. Press to select “Relay Toggle”.
ID
Description
Availability
Mull
Mullion Heater
Drawer Models
N/A
N/A
N/A
LVLV
Left (top) valve
All Models
RVLV
Right (bottom) valve
All Models
Cond
Condenser Fan
All Models
Comp
Compressor
All Models
Up
Select
Down
RETURN TO MENU
RELAY STATUS
MULL COND DEF LVLV
OFF OFF OFF OFF
ID
Description
Voltage
Mull
Mullion Heater (Drawers)
AC
N/A
N/A
N/A
LVLV
Left (top) valve
AC
RVLV
Right (bottom) valve
AC
Cond
Condenser fan (Not Used)
AC
Comp
Compressor
AC
Fan 1
Left/Top Condenser Fan
(Excludes ZWC)
DC
Fan 2
Condenser Fan
DC
Fan 3
Right/Bottom Evaporator Fan
(Excludes ZWC)
DC
Light 1
Left (top) light
DC
Light 2
Right (bottom) light
DC
Up
Select
Down
RETURN TO MENU
RELAY TOGGLE
MULL OFF
COND OFF
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