页 23 – REFCO ENVIRO User Manual

Page 23

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Fault

Cause

Solution

Fan is not
revolving

Mechanical damage

1. Replace the fan
2. Factory service is
needed

Compressor
doesn’t work

1. Shut off by High
Pressure

2. Internal line fault
of the unit

1. Lower the pressure
of the unit-Press
High-pressure
Button to reset
2. Professional
examination is
required-Facory
service is needed

Compressor
can’t start
(blocked)

1. External pressure
is too high

2. Motor failure or
other component
damage

1. Turn the knob
around twice and
turn to position "1",
then restart.
2. Factory service is
needed

Compressor
starts but
stops within
a few
minutes

1. High Pressure
Protection caused
by mis-operation
shuts the unit off, if:
Outlet valve closed,
refrigerant tank
valve closed
2. Motor Overload
Protection shuts
the motor off

1. Read carefully the
Operation Manual
and follow the
instructions while
operating

2. Give the motor some
time to restart

Instruction Manual ENVIRO English

11. FAQ and Trouble Shooting