USER GUIDE
Control Operation 2
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SAFETY • INSTALLATION & INTEGRATION •
OPERATING INSTRUCTIONS
• MAINTENANCE • SERVICE
U-SELECT
®
CONTROL
Digital Display
The 3000 Series units are controlled by a feature rich,
advanced OLED display control unit. The control panel
allows adjustment to temperature set point, access to
Energy Saver Mode, internal temperature readings, and
many other features.
ADJUSTING TEMPERATURE SETTINGS
Each zone has a series of Mode Settings with a default
value for each setting. Each Mode Setting can be further
customized by fine tuning the temperature set point. See
the chart below for a description of each mode and mode
temperature ranges. Mode selection will vary by model.
Mode Settings
Interior Lighting
Your U-Line 3000 Series unit uses a state of the art LED
lighting system. The 3036 model dual zone’s lighting can
be independently controlled or set as a group.
1. To begin, press to enter the lighting menu.
2. Press or to cycle through each available
brightness setting (Low, Medium or High).
3. Press to cycle through each available timer setting.
Selections include “On With Door”, “On 3 Hours”, “On 6
Hours”, or “On 24 Hours”.
4. To exit, press or simply wait for the menu to time
out.
Error Notification
The 3000 model series continuously monitors a series of
inputs and parameters to ensure proper and efficient
operation of your unit. Should the system detect a fault,
an error notification will be displayed on the user
interface. See below for a list of errors.
NOTE: Singe zone models will not use (L) left or (R) right
zone indicators in error notification.
Setting
Default °F (°C)
Range °F (°C)
Polar
0 (-18)
(-5) - 5 ([-21] - [- 15])
Up
Down
Can be displayed in Celsius
Power
Polar
O°F
U-Select Lighting
Zone Toggle
Select
Up
Select
Down
U-Select Lighting
Power
ID
Description
Solution
No Comm
Unit lost
communication to the
display.
Disconnect and reconnect
power to unit. Contact
Customer Care if
persistent.
(L) (R) Zone
T Open
Left or right zone
thermistor circuit open.
Contact Customer Care.
Amb Thrm
Open
Ambient thermistor
circuit open.
Contact Customer Care.
(L) (R) Zone
T Short
Left or right zone
thermistor circuit
shorted.
Contact Customer Care.
Amb Thrm
Short
Ambient thermistor
circuit shorted.
Contact Customer Care.
(L) (R) Temp
Hi 6H+
Left or right zone
tempe10° over
set point for over 6
hours.
Verify door is closed and
sealing. Contact Customer
Care if persistent.
(L) (R) Temp
Hi 12H+
Left or right zone
tempe10° over
set point for over 12
hours.
Verify door is closed and
sealing. Contact Customer
Care if persistent.
(L) (R) Temp
Lo 6H+
Left or right zone
temperature -10°
under set point for
over 6 hours.
Verify door is closed and
sealing. Contact Customer
Care if persistent.
(L) (R) Temp
Lo 12H+
Left or right zone
temperature -10°
under set point for
over 12 hours.
Verify door is closed and
sealing. Contact Customer
Care if persistent.
(L) (R) Door
Open 5M
Left or right door
switch open for more
then 5 minutes.
Verify door is closed and
sealing. Contact Customer
Care if persistent.
