2175BEVS, 2175BEVOL
19
Troubleshooting Guide
DANGER
ELECTROCUTION HAZARD
Never attempt to repair or perform maintenance on
the unit until the main electrical power has been
disconnected.
Troubleshooting - What to check when problems occur:
PROBLEM
POSSIBLE CAUSE
REMEDY
Unit does not operate and
electronic display is blank.
No electrical supply
Plug unit in or check circuit breaker.
No interior light
Loose or burned out bulb
Tighten or replace bulb (See MAINTENANCE; LIGHT
BULB REPLACEMENT).
Electronic display is blank and
interior light is OFF with door OPEN.
Unit is in blackout/Sabbath mode
(not Star K certified) lighting mode.
Exit blackout/Sabbath mode (not Star K certified)
(See OPERATION; INTERIOR LIGHT CONTROL).
Electronic display is blank and
interior light is ON with door OPEN.
A display function has changed.
Touch and hold the warmer temperature button and
touch and release the POWER button three times, then
release the temperature button. The display should
become visible.
Electronic display shows repeating,
randomly flashing symbols and
partial characters.
A factory control mode has been
inadvertently entered.
Touch and hold the warmer temperature button and
touch and release the LIGHT button three times, then
release the temperature button to exit the factory
control mode. The set-point temperature should now
be displayed.
Electronic display shows:
0, 1 to 26, or 99.
A factory control mode has been
inadvertently entered.
Repeatedly touch the warmer temperature button to
advance any number shown to 99 and touch and
release the LIGHT button. The set-point temperature
should now be displayed.
Electronic display shows E3.
Door has been left open longer than
20 minutes.
Close door completely. The set-point temperature
should now be displayed.
Electronic display shows ER.
The unit is displaying an error code.
Record the error code(s) displayed and call for service.
Unit not cold enough. Check
temperatures (See OPERATION for
approximate temperatures).
Control set too warm
Set control to a cooler setting (See OPERATION). Allow
24 hours for temperature to stabilize.
Airflow to front grille blocked
Airflow must not be obstructed to front grille (See
OPERATION).
Dirty condenser coils
Clean condenser (See MAINTENANCE; CONDENSER
CLEANING).
Door gasket not sealing properly
Door adjustment required (See MAINTENANCE; DOOR
ALIGNMENT CHECK AND ADJUSTMENT).
Inaccurate temperature reading
Properly check temperature (See OPERATION).
Unit is too cold. Check temperatures
(See OPERATION for approximate
temperatures)
Control set too cold
Set control to a warmer setting (See OPERATION). Allow
24 hours for temperature to stabilize.
The unit frosts up.
High ambient temperatures or
humidity
Defrost unit manually (See MAINTENANCE;
DEFROSTING).
Door gasket not sealing
Adjust door (See MAINTENANCE; DOOR ALIGNMENT
AND ADJUSTMENT).
ULIN_016357_30172.fm Page 19 Friday, February 2, 2007 11:45 AM
Summary of Contents for 2175BEVOL
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