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USER GUIDE
SAFETY • INSTALLATION & INTEGRATION • OPERATING INSTRUCTIONS • MAINTENANCE • SERVICE
Unit Develops
The unit is exposed to excessive
Condensation on
humidity. Moisture will dissipate as
External
humidity levels decrease.
Surfaces.
Problem
Possible Cause and Remedy
Digital Display
Ensure the unit is not in "Showroom
Functions, But
Mode." Momentarily unplug or interrupt
Unit Does Not
power supply to the unit.
Cool.
Digital Display
"Door" indicates the door may be opened
Shows an Error.
too long. Ensure the door is closing
properly. For other error codes contact
U-Line Customer Service.
Because product in contact with the rear
Product Is
wall may freeze, ensure no product is
Freezing.
touching the rear wall.
Adjust the temperature to a warmer set
point.
Air temperature does not indicate
Product Is Not
product temperature.
Cold Enough.
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
No Comm
Unit lost
communication to
the display.
(L) (R) Zone T
Left or right zone
Open
thermistor circuit
open.
Amb
Thrm
Ambient thermistor
Open
circuit open.
Solution
Disconnect
and
reconnect power to
unit.
Contact
Customer
Care
if
persistent.
Contact Customer
Care.
Contact Customer
Care.
(L) (R) Zone T
Left or right zone
Short
thermistor circuit
shorted.
Amb
Thrm
Ambient thermistor
Short
circuit shorted.
ID
Description
(L) (R) Temp
Left or right zone
Hi
temperature +10°
6H+
over set point for
over 6 hours.
(L) (R) Temp
Left or right zone
Hi
temperature +10°
12H+
over set point for
over 12 hours.
(L) (R) Temp Lo
Left or right zone
6H+
temperature -10°
under set point for
over 6 hours.
(L) (R) Temp Lo
Left or right zone
12H+
temperature -10°
under set point for
over 12 hours.
(L) (R) Door
Left or right door
Open 5M
switch open for
more then 5
minutes.
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.
u-line.com
Contact Customer
Care.
Contact Customer
Care.
Solution
Verify door is closed
and sealing. Contact
Customer Care if
persistent.
Verify door is closed
and sealing. Contact
Customer Care if
persistent.
Verify door is closed
and sealing. Contact
Customer Care if
persistent.
Verify door is closed
and sealing. Contact
Customer Care if
persistent.
Verify door is closed
and sealing. Contact
Customer Care if
persistent.
Troubleshooting 2
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