Traulsen TBC13 - XII. Troubleshooting

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XII. TROUBLESHOOTING (cont’d)
POTENTIAL CAUSE SOLUTION
a. Solenoid valve restricted. Remedy solenoid restriction.
b. Restriction in lter/drier. Replace lter/drier.
c. Loss of refrigerant. Diagnose leak and recharge system.
d. Poor air ow. Insure proper air ow around system.
e. Expansion valve blocked. Please TXV.
a. Improper air ow across condenser. Insure proper air ow around system.
b. Extreme ambient conditions. Relocate chiller to cooler environment.
c. Refrigerant overcharge. Correct refrigerant charge.
d. Air in system. Evacuate/cleanse system, then recharge.
a. Defrost heater malfunction. Replace defrost heater.
b. Wired wrong or faulty connection. Verify/correct wiring and connections.
c. Relay contacts open. Replace relay.
d. Coil sensor failure. Replace coil sensor.
e. Control malfunction. Replace control board.
f. Relay board malfunction. Replace relay board.
g. Open fuse. Replace fuse.
a. Date/time settings incorrect. Set correct date and/or time on the control.
a. Condensate evaporator not installed. Install condensate evaporator.
b. Condensate evaporator not connected Plug in condensate evaporator.
to power supply.
c. Condensate evaporator malfunction. Replace condensate evaporator.
SYMPTOM
15. Low suction pressure.
16. High head pressure.
17. Chiller will not defrost.
18. Printout shows wrong date
and/or time.
19. Water on the oor near
the blast chiller.