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WARNING: CERTAIN PROCEDURES IN THIS SECTION REQUIRE ELECTRICAL AND REFRIGERATION SYS-
TEM TEST OR MEASUREMENTS WHILE POWER IS APPLIED TO THE MACHINE. EXERCISE EXTREME CAU-
TION AT ALL TIMES. IF TEST POINTS ARE NOT EASILY ACCESSIBLE, DISCONNECT POWER, ATTACH TEST
EQUIPMENT AND REAPPLY POWER TO TEST.
Compressor will not run, no current draw.
Compressor will not run, current draw and trips overload.
Defrost time too long.
Compressor short cycles on overload.
Compressor short cycles on thermostat.
Continuous unit operation.
Compressor run time lengthy.
Low suction pressure.
High head pressure.
Will not defrost.
Coil icing.
Quality Refrigeration
VI. TROUBLESHOOTING
Traulsen
4401 Blue Mound Road Fort Worth, TX 76106
Phone: (800) 825-8220 Fax-Svce: (817) 740-6757
Website: www.traulsen.com
HOURS OF OPERATION:
Monday thru Friday 7:30 am - 4:30 pm CST
1.
Compressor circuit breaker open.
2.
Cabinet temperature satisfied.
3.
Wired wrong or faulty connection.
4.
Start component malfunction.
5.
Compressor motor windings open.
6.
Thermostat malfunction.
7.
High pressure control tripped.
1.
Low voltage.
2.
Start component malfunction.
3.
Compressor windings shorted.
4.
Locked rotor.
5.
Excessive head pressure.
1.
Defrost timer malfunction.
1.
Low voltage.
2.
Improper air flow over condenser.
3.
Low refrigerant charge.
4.
Compressor electrical component malfunction.
5.
High head pressure.
1.
Improper air flow over evaporator coil.
2.
Low ambient conditions.
3.
Thermostat bulb improperly located.
4.
Thermostat malfunction.
1.
Loss of refrigerant.
2.
Excessive door openings.
3.
Thermostat malfunction.
4.
Compressor inoperative.
1.
Partial loss of refrigerant.
2.
High ambient conditions.
3.
Improper air flow over condenser coil.
4.
Excessive product load.
5.
Excessive door openings.
6.
Door gasket inoperative.
7.
Contaminates in refrigeration system.
8.
Compressor malfunction.
1.
Restriction in drier.
2.
Loss of refrigerant.
3.
Poor air flow.
1.
Improper air flow across condenser.
2.
Extreme ambient conditions.
3.
Overcharge of refrigerant.
4.
Air in system.
1.
Defrost heater malfunction.
2.
High limit thermostat open.
3.
Defrost timer inoperative.
4.
Wired wrong or faulty connection.
1.
Gasket leaking.
2.
Drain tube plugged.
3.
Non-frozen product in freezer.
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