Model H1301 Recovery and Recycling System
Installation, Operation and Maintenance Manual
Revision-L September, 2019
Page 94 of 105
VIII. Trouble Shooting Guide
A. Error Codes
The machine will discontinue automatic operation and flash the front panel Processing
Lamp along with one or a combination of the front panel Liquid Level Lamps when faults
are detected by the PLC.
The combination of lamps will identify the fault as listed below. Pressing the control panel
Stop button will clear the fault and return the front panel lamps to their normal indicating
conditions. Possible corrective actions are also listed below.
NOTE: The control panel Processing Lamp is continuously illuminated when the
machine is processing in the automatic mode.
WARNING! DO NOT disconnect the AGENT source container from the inlet port of
the machine when the Processing Lamp is continuously illuminated or
flashing. The source container may not be fully discharged.
LOW LIQUID LEVEL LAMP and the PROCESSING LAMP FLASHING indicates a
Nitrogen Vent fault.
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.
MID LIQUID LEVEL LAMP and the PROCESSING LAMP FLASHING indicates a Pump
Out fault.
1. Receiving container valves are not open. Open the valves.
2. Receiving container is not properly installed refer to section-IV.
3. Plumbing between the machine and the receiving container is restricted or blocked.
4. Liquid Pump is not operating refer to section-VIII.K.
5. Outlet Solenoid Valve SV-4 is not opening refer to section-VIII.J.
6. Nitrogen Supply Solenoid Valve SV-5 is not opening refer to section-VIII.J.
7. Process Tank Low Liquid Level position is bad or switch is frozen refer to section-
VIII.L.
8 Outlet Check Valve CV-6 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 A4-04-5530-01-0.
9. Liquid Pump Particulate Filter is clogged. Clean filter per section-VII.R.
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