30
TROUBLESHOOTING
Before any service is done that would require opening the unit it must be
disconnected from the power source. If your location has lockout-tag out
protocols please follow them.
System will not turn on:
1)
Make sure power cord is properly plugged in.
2)
Make sure the power switch on the back of the unit is turned in the “ON” position.
3)
Before Checking the circuit breaker located in the side control box, disconnect the
supply power to the unit by unplugging power cord.
Gas is not being delivered to the chamber or the flow rate is not
correct:
1) Check that your gas supply has not run out.
2) Check that the CO
2
tank valve is fully open.
3) Check that the connections from the gas supply regulator to the controller CO
2
3) If problem continues, you may change the length of time the blower is activated by
reprogramming the purge time. See page 17 for instructions on changing presets.
input is
properly mated.
4) Check that the gray hose inside the controller is connected to the chamber input fitting.
5) Check that the regulator is open and set to 125 CFH.
6) Check that the flowmeter on the back of the control box is set to 50LPM.
7) Check that the electric heater, inline from the gas supply to the regulator, is operating. The
heater runs intermittently, switching on when heat is required. If the gas is not adequately
heated, it will not flow properly.
Gas does not completely purge from the chamber during the evacuation
stage of the gas cycle:
1) Check that the blower box is properly connected to the chamber.
2) Check that all chamber exhaust/vent lines are connected to the exhaust side of chamber.