Summit SCFF495 - Manual (Page 11)

TROUBLESHOOTING
Before requesting service on your unit, please check the following points. Note
that this guide serves only as a reference for solutions to common problems.
Symptom Possible Cause Corrective Action
Compressor
not running
Fuse blown or circuit breaker
tripped
Power cord unplugged
Thermostat set too high
Cabinet in defrost cycle Replace fuse or reset circuit breaker.
Plug in power cord.
Set thermostat to lower temperature.
Wait for defrost cycle to finish.
Condensing
unit runs for
long periods
of time
Excessive amount of warm
product placed in cabinet
Prolonged door opening or door
ajar
Door gasket(s) not sealing
properly
Dirty condenser coil
Evaporator coil iced over
Allow adequate time for product to cool
down.
Be sure doors are closed when not in
use. Avoid opening doors for long
periods of time.
Be sure gaskets are snapped in
completely. Remove gasket and wash
with soap and water. Check condition of
gasket and replace if necessary. Be
sure door gasket(s) are sealing
properly.
Clean the condenser coil.
Unplug unit and allow coil to defrost.
Make sure thermostat is not set too
cold.
Cabinet
temperature
is too warm
Thermostat set too warm
Air flow is blocked
Excessive amount of warm
product placed in cabinet
Fuse blown or circuit breaker
tripped
Dirty condenser coil
Prolonged door opening or door
ajar
Evaporator coil iced over
Set thermostat to lower temperature.
Re-arrange product to allow for proper
air flow. Make sure there are at least
four inches of clearance from
evaporator.
Allow adequate time for product to cool
down.
Replace fuse or reset circuit breaker.
Clean the condenser coil.
Be sure doors are closed when not in
use. Avoid opening doors for long
periods of time (see above).
Cabinet is
noisy
Loose part(s)
Tubing vibration
Locate and tighten loose part(s).
Be sure tubing is free from contact with
other tubing or components.
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