Troubleshooting; Problem -> Cause -> Correction Chart - Delfield 400 Series Original Instructions Manual

Problem -> Cause -> Correction Chart
Problem
Cabinet not
running
Condensing Excessive amount of warm product placed in
unit runs for
long periods or
Prolonged door openings or door(s) ajar.
continuously
Cabinet
temperature is too
high
Exterior thermometer is out of calibration.
Excessive amount of warm product placed in
Prolonged door openings or door(s) ajar.
Cabinet is noisy
Refrigerator is
freezing product
Not enough cabinet clearance for proper
Compressor will
not start
Part Number: 9294045 10/14

Troubleshooting

Cause
Fuse blown or circuit breaker tripped.
Power cord unplugged.
Thermostat set too high.
Main power switch turned off.
Cabinet in defrost cycle.
(Freezer models)
cabinet.
Door gasket(s) not sealing properly.
Dirty condenser coil.
Evaporator coil iced over.
Thermostat set too high.
Poor air circulation in cabinet.
cabinet.
Dirty condenser coil.
Evaporator coil iced over.
Loose part(s).
Thermostat is set too low.
Dirty condenser coil.
refrigeration system operation.
Low voltage to cabinet.
Section 5
Replace fuse or reset circuit breaker.
Set thermostat to lower temperature.
Allow adequate time for product to cool down.
Make sure door(s) are closed when not in use. Avoid
Check gasket condition. Adjust door or replace gasket if
Turn unit off and allow coil to defrost.
Make sure thermostat is not set too cold.
Set thermostat to lower temperature.
Re-arrange product to allow proper air circulation.
Allow adequate time for product to cool down.
Make sure door(s) are closed when not in use.
Turn unit off and allow coil to defrost.
Make sure thermostat is not set too cold.
Set thermostat to higher temperature.
Move cabinet or make other adjustments to gain proper
Check and correct incoming voltage to cabinet.
Correction
Plug in power cord.
Turn main power switch on.
Wait for defrost cycle to finish.
prolonged door openings.
necessary.
Clean the condenser coil.
Also, check gasket condition.
Re-calibrate thermometer.
Avoid prolonged door openings.
Clean the condenser coil.
Also, check gasket condition.
Locate and tighten loose part(s).
Clean the condenser coil.
cabinet clearances.
21