Traulsen G31300 用户手册

G SERIES FREEZER - TROUBLESHOOTING

Nothing runs, blank control.

1.

Main circuit breaker open.

2.

Main on/off switch off.

3.

Power cord unplugged.

Compressor will not run, no current draw.

1.

Cabinet temperature satisfied.

2.

Door open or malfunction door switch, with display on
control.

3.

Incorrect wiring.

4.

Cabinet air sensor malfunctioned.

5.

Start component malfunctioned.

6.

Compressor motor windings open.

7.

Control malfunctioned.

8.

Compressor relay malfunctioned.

9.

Relay module malfunctioned.

Compressor will not run, current draw and trips
breaker.

1.

Start component malfunctioned.

2.

Compressor motor windings shorted.

3.

Locked rotor.

Defrost time too long.

1.

Evaporator coil sensor malfunctioned.

2.

Incorrect wiring.

3.

Control malfunctioned.

4.

Defrost heater malfunctioned.

Compressor short cycles.

1.

Improper air flow over evaporator coil.

2.

Expansion valve malfunctioned.

3.

Low ambient conditions.

4.

Evaporator fan(s) malfunctioned.

5.

Cabinet air sensor malfunctioned.

6.

Evaporator coil sensor malfunctioned.

7.

Control malfunctioned.

Compressor run time lengthy.

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(s) need replaced.

7.

Condenser fan(s) malfunctioned.

8.

Cabinet air sensor malfunctioned.

9.

Cabinet coil sensor malfunctioned.

10.

Contaminates in refrigeration system.

11.

Control malfunctioned.

12.

Relay module malfunctioned.

Continuous compressor operation.

1.

Loss of refrigerant.

2.

Excessive door openings.

3.

Cabinet air sensor malfunction.

4.

Control malfunctioned.

Low suction pressure.

1.

Restriction in refrigeration system.

2.

Loss of refrigerant.

3.

Expansion valve blocked.

High head pressure.

1.

Improper air flow across condenser.

2.

Extreme ambient conditions.

3.

Overcharge of refrigerant.

4.

Air in refrigerant system.

5.

Condenser fan(s) malfunctioned.

F25393 (August 2010)

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