14
CONDITION
TROUBLESHOOTING
Control Display Is
Flashing
See your case’s serial label for your model’s specified settings. See
SERIAL
LABEL LOCATION & INFORMATION LISTED / TECH INFO & SERVICE
for
label location, etc.
Case Is Not Holding
Temperature
If a large amount of warm product was added to the case, it will take time for the
temperature to adjust. Unit needs product to be pre-chilled.
Temperature changes during defrost mode but will return to normal. Fourth LED
will indicate defrost cycle in progress.
Check that case is not in sun or near a heat or air-conditioning vent. See
OVERVIEW AND WARNINGS
section in manual for adverse conditions/spacing
issue parameters.
If case is located near front doors, temperature fluctuation can hinder unit’s ability
to maintain temperature. See
OVERVIEW AND WARNINGS
section in manual
for adverse conditions/spacing issue parameters.
Check that condenser coil has been cleaned.
Check air return grilles for obstructions.
Check sight glass for flashing and/or low charge.
Check Set Point Temperature; it may be adjusted too high.
Condensing Unit Is
Not Operating
Check that the power is turned on.
Determine if temperature controller settings are properly set.
See your case’s
serial label for your model’s specified settings. See
SERIAL LABEL LOCATION
& INFORMATION LISTED / TECH INFO & SERVICE
section in manual
for label
location, etc.
Case Lights Are Not
Working
Check that light switch is in the
on
position.
Check that
ALL
of the light cords and plugs are properly connected.
LED Drivers: Service Technicians Only: Check voltage at LED drivers. If voltage is
entering but not exiting, LED driver may be faulty.
Check that magnetic air filter (attached to rear grille) has been cleaned. See
GENERAL CLEANING [TO BE PERFORMED BY STORE PERSONNEL]
section
in operating manual for instructions.
For fluorescent bulbs, check that they are not burnt out. If so, replace.
TROUBLESHOOTING [TO BE PERFORMED BY TRAINED SERVICE PROVIDERS ONLY] - PAGE 3 of 3
