9
USER SERVICE DIAGNOSTICS:
Items to check prior to calling a service technician
Closer spring needs adjustment
See section
on Door Adjustment
in Start-up
section
Door fail to self close
Cabinet Un-level
Level cabinet using leg adjustment or shims
(Glass doors only)
Door closer spring broken, gasket failure
Request service, provide service agent with
unit’s model & serial no. for parts requisition
Confirm temperature setting of electronic
See instructions on
Changing the Set point
control
Door gaskets loose, torn, or ineffective due Clean or de-ice as needed or request service for
to ice or residue
gasket replacement
Cabinet environment too warm
Insure that room is below 80°, meets minimum
clearance requirements and unit is not subject to
heat from adjacent appliances.
Dirty Condenser coil
See
Routine Maintenance
for coil cleaning
Cabinet will not hold
instructions
temperature and / or runs
continuously
Evaporator “Frost bound” (incomplete
Attempt one or two manual defrost cycles to see
defrost cycles)
if normal operation resumes. If not, high
humidity/door cycles may require additional
defrost periods. Failure to defrost may also
indicate bad heater, door gasket, control or
setting; requiring professional service.
Refrigeration system capacity low due to
Professional service required; provide service
defective component or refrigerant charge
agent with unit’s model & serial no. at time of
service request
Compressor starting intermittently or
Professional service required;
shutting off by overload protector
Supply circuit inadequate, defective compr. start
components, crank case regulator inoperative
Cabinet too cold
-Thermostat incorrectly set
-See instructions on
Changing the Set point
-Defective sensor
-Sensor: Professional service required
Cabinet will not cool at all,
Probable service level problem
Request service, provide service agent with
but lights, fans and/or
unit’s model & serial no. for parts requisition
control appear to function
Cabinet will not cool at all,
Probable loss of power
-Check to see that unit is plugged in,
-Check supply circuit power (fuse or circuit
controls, lights and fans all
breaker good).
inoperative
-Power switch on unit is ON
Light switch off, blown fuse.
-Turn on switch, glass door models have a light
All lights inoperative.
switch inside the cabinet on the lamp channel.
-All models have a fuse located in the electrical
enclosure (caution: fuse replacement may
require professional service)
LED fixture poorly seated in socket LED
-Reinstall fixture in sockets.
Some lights inoperative
light fixture defective,
-Defective: Request service, provide service
agent with unit’s model & serial no. for parts
Requisition
