SAFETY • INSTALLATION & INTEGRATION • OPERATING INSTRUCTIONS • MAINTENANCE •
SERVICE
Troubleshooting 2
USER GUIDE
u-line.com
Unit Develops
Condensation on
External
Surfaces.
The unit is exposed to excessive
humidity. Moisture will dissipate as
humidity levels decrease.
Problem
Possible Cause and Remedy
Digital Display
Functions, But
Unit Does Not
Cool.
Ensure the unit is not in “Showroom
Mode.” Momentarily unplug or interrupt
power supply to the unit.
Digital Display
Shows an Error.
“Door” indicates the door may be opened
too long. Ensure the door is closing
properly. For other error codes contact
U-Line Customer Service.
Product Is
Freezing.
Because product in contact with the rear
wall may freeze, ensure no product is
touching the rear wall.
Adjust the temperature to a warmer set
point.
Product Is Not
Cold Enough.
Air temperature does not indicate
product temperature.
Adjust the temperature to a cooler set
point. Ensure unit is not located in
excessive ambient temperatures or in
direct sunlight. Ensure the door is closing
and sealing properly.
Ensure nothing is blocking the front
grille, found at the bottom of the unit.
Ensure the condenser coil is clean and
free of any dirt or lint build-up.
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: Single zone models will not use (L) left or (R)
right zone indicators in error notification.
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.
ID
Description
Solution
(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.
CHECKING PRODUCT TEMPERATURE
To check the actual product temperature in the
unit:
1.
Partially fill a plastic (nonbreakable) bottle with
water.
2.
Insert an accurate thermometer.
3.
Tighten the bottle cap securely.
