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u-line.com
General Information
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 and is independent of the Cond relay.
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.
Zone T Open
Zone thermistor circuit
open.
Check connection. Replace if
necessary.
Evap T Open
Evaporator thermistor
circuit open.
Check connection. Replace if
necessary.
Amb Thrm
Open
Ambient thermistor
circuit open.
Check connection. Replace if
necessary.
Zone T Short
Zone thermistor circuit
shorted.
Check connection. Replace if
necessary.
Evap T Short
Evaporator thermistor
circuit shorted.
Check connection. Replace if
necessary.
Amb Thrm
Short
Ambient thermistor
circuit shorted.
Check connection. Replace if
necessary.
Temp Hi 6H+
Zone tempe10°
over set point for over
6 hours.
Check compressor, evaporator
fan and related relays and DC
outputs.
Temp Hi 12H+ Zone tempe10°
over set point for over
12 hours.
Check compressor, evaporator
fan and related relays and DC
outputs.
Temp Lo 6H+
Zone temperature -10°
under set point for over
6 hours.
Check compressor, evaporator
fan and related relays and DC
outputs.
Temp Lo 12H+ Zone temperature -10°
under set point for over
12 hours.
Check compressor, evaporator
fan and related relays and DC
outputs.
Door Open
5M
Door switch open for
more then 5 minutes.
Check reed switch and
connection.
Up
Error ID
Number
Of Occurrences
Select
Down
RETURN TO MENU
ALL ERRORS
NO COMM 0
ZONE T OPEN 0
ID
Description
Status
Mull
Mullion Heater
Not Used
Cond
Condenser Fan
Not Used
Def
Defrost Valve
Not Used
LVLV
Left Valve
Not Used
RVLV
Right Valve
Not 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
