Model H1301 Recovery and Recycling System
Installation, Operation and Maintenance Manual
Revision-L September, 2019
Page 98 of 105
VIII. Trouble Shooting Guide (continued)
G. Machine will not evacuate the AGENT source container.
1. Manual inlet Valve MV-1 is not open: open the valve.
2. Start button has not been depressed: press the Start Button.
3. Front panel toggle switches are not all in the AUTO position: Place all front panel
toggle switches to the AUTO position.
4. Source AGENT container outlet valve is closed: Open the valve and press Start.
5. Plumbing from the AGENT source is blocked, restricted or leaking: Repair the
plumbing.
6. Liquid AGENT is trapped below the outlet port of the source container. The liquid
will cool as the vapor expands producing frost on the outside of the container. Heat
the source container to boil off the liquid as the evacuation cycle proceeds.
7. Inlet Pressure Switch P1 set point requires maintenance refer to section-V.C.
8. Inlet Vacuum Switch P2 vacuum adjustment requires maintenance refer to section-
VII.Q.
9. Vapor Compressor is burnt out or has blown seals refer to section-VIII.M: Vapor
Compressor Trouble Shooting.
10. Machine is in a self-evacuation mode due to liquid AGENT present during an
evacuation cycle. Refer to section-V.C: Inlet Pressure Switch Description and
Adjustment.
11. Inlet Solenoid Valve SV-1, or Compressor Inlet Solenoid Valve SV-2 are not
opening: refer to section-VIII.J.
12. Inlet Vapor Check Valve CV-2 is stuck closed. Strike the body of the valve sharply
with the handle of a screwdriver. If the valve does not open or continues to
malfunction, replace the valve with part number A4-04-5540-02-0.
13. Compressor Discharge Check Valve CV-3 is stuck open. Strike the body of the
valve sharply with the handle of a screwdriver. If the valve does not close or
continues to malfunction, replace the valve with part number A4-04-5540-02-0.
H. Machine Will Not Vent.
1. Nitrogen Vent Solenoid Valve SV-3 is not opening refer to section-VIII.J.
2 The valve cap is still installed to the nitrogen vent port. Remove the cap.
3. System Temperature Controller requires maintenance. See section-VII.N.
4. System Pressure Controller requires maintenance. See section-VII.M.
5. Cooling System is not cooling. See section-VII.E. and VII.P.
I. Machine Will Not Pump Out.
1. See Section-VIII.A. Error Code: MID LIQUID LEVEL LAMP and the PROCESSING
LAMP FLASHING indicates a Pump Out fault.
2. Final Nitrogen Vent has not been successful see step-H above.
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