Double-Wide Grill Side Freezer
Equipment Manual
7.
Troubleshooting
PROBLEM
CAUSE
SOLUTION
Compressor will not start
1.
Cord set not plugged in.
2.
Thermostat stuck in open
position.
3.
Improperly wired.
4.
Low voltage to unit.
1. Plug in cord.
2. Replace thermostat.
3.
Check wiring against
diagram.
4.
Correct the voltage.
Unit runs continuously
1.
Undercharge.
2.
Bad thermostat.
3.
Dirty condenser.
1. Add refrigerant.
2. Replace thermostat.
3. Clean condenser fins.
Condensation
1.
Leak in Gasket.
2.
Wiring to condensate
heater faulty.
3.
Faulty condensate heaters.
1. Reinstall gasket properly.
2. Rewire condensate heater.
3. Wire spare
condensate heater.
Unit noisy
1.
Loose parts or mounting.
2.
Fan motor bearings worn.
3.
Fan blade bent.
4.
Compressor assembly
rattling.
1. Tighten parts.
2.
Replace motor.
3.
Replace fan blade.
4.
Check if mounted correctly
and securely.
Temperature too high.
1.
Temperature setting too
high
2.
Condenser fins blocked.
3.
Restricted airflow.
4.
Door and/or lid open for
extended periods.
5.
Evaporator coil frozen.
6.
Just finished defrost cycle.
1. Reset temperature
2.
Clean Fins.
3.
Ensure air can circulate
around the unit.
4.
Close door and/or lid.
5.
Put unit into manual
defrost.
6.
Wait for few minutes for
temperature to fall within
acceptable range.
This manual is for the exclusive use of licensees and employees of McDonald’s Systems Inc.
Page 8 of 15
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First Printed:
July 2005
/ Version
1
