U-Line 3018RGL User Manual page 57

USER GUIDE
SAFETY • INSTALLATION & INTEGRATION • OPERATING INSTRUCTIONS • MAINTENANCE • SERVICE
ID Description
Amb Ambient
Thrm thermistor circuit
Short shorted.
Temp Hi Zone temperature
6H+ +10°C over set
point for over 6
hours.
Temp Hi Zone temperature
12H+ +10°C over set
point for over 12
hours.
Temp Lo Zone temperature
6H+ -10°C under set
point for over 6
hours.
Temp Lo Zone temperature
12H+ -10°C under set
point for over 12
hours.
Door Door switch open
Open 5M for more then 5
minutes.
To access All Errors follow the steps below.
1. Use Down to select "All Errors".
2. Press Select .
3. Use Up and Down
information.
To clear the error log use Down
and press Select to confirm.
To exit the Actual Temps menu use Up
"Return to Menu" and press Select
Solution
Check thermistor connection to
harness for moisture or
corrosion. Also check connection
where thermistor harness
attaches to main board. If
connections are valid replace
the thermistor.
Is condenser coil clean? Is
condenser fan operating? Check
zone thermistor for correct
resistance. Verify thermistor
connections are clean and
intact. Check zone valve
operation. Sealed system issue?
Is condenser coil clean? Is
condenser fan operating? Check
zone thermistor for correct
resistance. Verify thermistor
connections are clean and
intact. Check zone valve
operation. Sealed system issue?
Verify thermistor connections
are clean and dry. Verify
thermistor resistance. Verify
correct operation of zone valve.
Verify thermistor connections
are clean and dry. Verify
thermistor resistance. Verify
correct operation of zone valve.
Check door switch magnet reed
switch alignment when door is in
closed position. Check reed
switch connection at the harness
and the main board.
to scroll through available
to select "Clear Errors"
to select
to confirm.
Relay Status
Up
MULL COND DEF
OFF
Down
Relay status displays the current state of each relay. While
all available relays are displayed, only a portion are used.
ID Description
Mull Mullion Heater
Cond Condenser Fan
Def Defrost Valve
Pan Pan heater
Comp Compressor
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
information.
To exit the Relay Status simply press Select
u-line.com
Select
RETURN TO MENU
RELAY STATUS
LVLV
OFF OFF OFF
Solution
Not Used
Not Used
Not Used
Not Used
Used
to scroll through available
to exit.
Control Operation - Service 3