Finish Thompson BE-15/15C - Manual (Page 10)

10
Troubleshooting Chart
This troubleshooting section will list a Problem with the Possible Causes. The Possible Causes will be in the
recommended order that the items should be checked. “Troubleshooting Tests and Repairs” are outlined in
the “Service Procedures” section of this manual.
NOTE: Some of the troubleshooting tips will not be accurate for units D91 or older.
Problem Possible Causes
Unit will not turn on. 1. No or improper electrical power.
2. Level control system not satisfied.
3. Safety overtemp sensor(s) activated.
4. On/off Switch is defective.
5. Level Control Board’s relay not closing.
Premature Shutdown. 6. Electrical power outage.
7. Distillate Piping has overheated from improper cooling.
8. TAS4 is too sensitive.
9. Process Tank overheating.
10. TAS2 is too sensitive.
11. Intermittent ground on Process Tank.
All 11 gallons of distillate go into the
Processed Water drum. 12. Loose wire on TAS3 or TAS3 is defective.
13. Divert Solenoid Valve is stuck or faulty.
All 11 gallons of distillate go into the
Recycled Glycol drum. 14. Wires/terminals on TAS3 are touching or TAS3 is
defective.
15. Divert Solenoid Valve is stuck or faulty.
Less than 3 1/2 gallons of Residue drains
after processing. 16. Clogged Drain Valve.
17. Level Control Probe is shorted to ground.
18. Level Control Board failure.
Unit keeps running after the On/off Switch
is OFF. 19. Improper electrical hook-up.
20. Contactor stuck in engaged position.
21. Faulty On/off Switch.
Unit runs longer than 24 hours with nothing
or little produced (unit doesn’t shut down). 22. Contactor not engaging or defective.
23. Loose or shorted wire.
24. Heater Band failure.
Circuit Breaker at power main keeps
tripping. 25. Wiring short to ground.
26. Heater Band is defective.
Low vacuum readings after divert (less than
-24” Hg.) 27. Pump Reservoir is low.
28. Debris in Aspirator.
29. Vacuum hose leaking or deteriorated.
30. Faulty Vacuum Gage.
31. Stuck/faulty Divert Solenoid Valve.
Pressure Relief Valve keeps discharging. 32. Stuck/faulty Divert Solenoid Valve.
33. Debris in, weak, or improper Pressure Relief Valve.
34. Clog in Distillate Piping.
Discolored Recycled Glycol. 35. No problem. This can be normal.
36. Oil in Waste Coolant feed.
37. Residue build-up in Process Tank.
38. Unit running with low vacuum after divert.