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General Information
To exit the Actual Temps menu use Up
to select “Return to
Menu” and press Select
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.
To access All Errors follow the steps below.
1. Use Down
to select “All Errors”.
2. Press Select
.
3. Use Up
and Down
to scroll through available information.
To clear the error log use Down
to select “Clear Errors” and
press Select
to confirm.
To exit the Actual Temps menu use Up
to select “Return to
Menu” and press Select
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 Down
to select “Relay Status”.
2. Press Select
.
3. Use Up
and Down
to scroll through available information.
To exit the Relay Status simply press Select
to exit.
ID
Description
Solution
No Comm Unit lost communication to the
display.
Check display cable. Replace
if necessary.
L Zone T
Open
Left Zone thermistor circuit
open.
Check connection. Replace
if necessary.
R Zone T
Open
Right Zone thermistor circuit
open.
Check connection. Replace
if necessary.
L Evap T
Open
Left evaporator thermistor circuit
open.
Check connection. Replace
if necessary.
R Evap T
Open
Right evaporator thermistor
circuit open.
Check connection. Replace
if necessary.
Amb Thrm
Open
Ambient thermistor circuit open. Check connection. Replace
if necessary.
L Zone T
Short
Left Zone thermistor circuit
shorted.
Check connection. Replace
if necessary.
R Zone T
Short
Right Zone thermistor circuit
shorted.
Check display cable. Replace
if necessary.
L Evap T
Short
Left evaporator thermistor circuit
short.
Check connection. Replace
if necessary.
R Evap T
Short
Right evaporator thermistor
circuit short.
Check connection. Replace
if necessary.
Amb Thrm
Short
Ambient thermistor circuit
shorted.
Check connection. Replace
if necessary.
L Temp Hi
6H+
Left Zone tempe5° over
set point for over 6 hours.
Check compressor,
evaporator fan and related
relays and DC outputs.
R Temp Hi
6H+
Right Zone tempe5° over
set point for over 6 hours.
Check compressor,
evaporator fan and related
relays and DC outputs.
L Temp Hi
12H+
Left Zone tempe5° over
set point for over 12 hours.
Check compressor,
evaporator fan and related
relays and DC outputs.
R Temp Hi
12H+
Right Zone tempe5° over
set point for over 12 hours.
Check compressor,
evaporator fan and related
relays and DC outputs.
L Temp Lo
6H+
Left Zone temperature -5° under
set point for over 6 hours.
Check compressor,
evaporator fan and related
relays and DC outputs.
R Temp Lo
6H+
Right Zone temperature -5°
under set point for over 6 hours.
Check compressor,
evaporator fan and related
relays and DC outputs.
Up
Error ID
Number
Of Occurrences
Select
Down
RETURN TO MENU
ALL ERRORS
NO COMM 0
ZONE T OPEN 0
ID
Description
Solution
L Temp Lo
12H+
Left Zone temperature -5°
under set point for over 12
hours.
Check compressor, evaporator
fan and related relays and DC
outputs.
R Temp Lo
12H+
Right Zone temperature -5°
under set point for over 12
hours.
Check compressor, evaporator
fan and related relays and DC
outputs.
L Door
Open 5M
Left door switch open for
more then 5 minutes.
Check compressor, evaporator
fan and related relays and DC
outputs.
R Door
Open 5M
Right door switch open for
more then 5 minutes.
Check compressor, evaporator
fan and related relays and DC
outputs.
ID
Description
Status
Mull
Mullion Heater
Not Used
Cond
Condenser Fan
Not Used
Def
Defrost Valve
Not Used
LVLV
Left Valve
Used
RVLV
Right Valve
Used
Pan
Pan Heater
Not Used
Comp
Compressor
Used
Up
Select
Down
RETURN TO MENU
RELAY STATUS
MULL COND DEF LVLV
OFF OFF OFF OFF
