Appion G1 Single Operation Manual - Page 15

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Troubleshooting Guide

⚠ WARNING

Read all safety information found in this manual and in the Material Safety Data Sheets

(MSDS) for any refrigerants used with this machine prior to performing any service on this machine.

SYMPTOM: Machine will not start, no sound when power switch turned 'On'

CAUSE

Power cord not plugged in, or no power in outlet

Machine in High Pressure Shutoff

Motor in Thermal Overload

SYMPTOM: Machine tries to start, makes humming/buzzing sound

CAUSE

Low voltage at source outlet

Voltage drop in extension cord

Too much back pressure on compressor

SYMPTOM: Machine pumps into high pressure shutoff

CAUSE

Valve on machine or recovery cylinder not fully

opened

Restriction in output hose

SYMPTOM: Pumps liquid slowly

CAUSE

Flow restrictions on input side of machine

Trapped liquid in system

SOLUTION

Check power cord, try different outlet

See symptom below

Allow motor to cool down

SOLUTION

Try different power source outlet

See Extension Cord sizing guidelines on Page 4

Try starting the machine with the valves on

the Manifold Gauge Set closed to reduce back

pressure on compressor

SOLUTION

Check that the valve on the recovery cylinder is

fully opened

Check hoses for any blockage;

Remove any core depressors

SOLUTION

Use 3/8" hoses;

Remove "Schrader" valve cores and core

depressors

Cycle system compressor for a few seconds to

move trapped liquid to another area;

Check for condensation on system, and apply

heat as needed;

Check for condensation at hose fittings, and

apply heat as needed

G1SINGLE OPERATION MANUAL