Model H1301 Recovery and Recycling System
Installation, Operation and Maintenance Manual
Revision-L September, 2019
Page 95 of 105
VIII. Trouble Shooting Guide
A. Error Codes (continued)
HIGH LIQUID LEVEL LAMP and the PROCESSING LAMP FLASHING the liquid
AGENT in the processing tank has risen to the high level.
1. Inlet Solenoid Valves SV-1 and SV-1A are not closing refer to section-VIII.J.
2. Process Tank Mid Liquid Level position is bad or switch is frozen refer to section-
VIII.L.
3. Process Tank High Liquid Level position is bad or switch is frozen refer to section-
VIII.L.
4. Machine has been manually filled to the high level. Manually pump out machine to
Low level.
5. Receiving container valves were not closed after machine shutdown. Manually
pump out machine to Low level inspect Outlet Check Valve CV-6 for operation.
MID LIQUID LEVEL LAMP, HIGH LIQUID LEVEL LAMP and the PROCESSING LAMP
FLASHING indicates a Vapor Compressor High Pressure fault.
1. Any of the following manual valves may be closed Filter Maintenance Valves MV-2
and MV-3, Process Tank Inlet Valve MV-5. Locate and open the valve.
2. Compressor Discharge Pressure Switch P5 wiring to PLC input #B7 is
disconnected. Ohm-out and correct wiring.
3. Plate Heat Exchanger is blocked with ice. Perform section- VII.J. Examine source
AGENT for high water contamination. Perform section-VII.H.
4. Compressor Discharge Check Valve CV-3 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.
5. Inlet Solenoid Valve SV-1A is not opening refer to section-VIII.J.
6. Process Tank Inlet Check Valve CV-4 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.
7. Compressor Oil Separator filter F2 is clogged replace filter.
LOW LIQUID LEVEL LAMP, HIGH LIQUID LEVEL LAMP and the PROCESSING LAMP
FLASHING indicates a Mid Liquid Level Indication without a Low Liquid Level
Indication fault.
1. Process Tank Low Liquid Level position is bad or switch is frozen refer to section-
VIII.L.
To Next Page