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USER MANUAL AND INSTALLATION
COD. 091052 - REV. 07 - DATE 11/2016
Pag.43 di 45
Problem
Cause
Resolution
Motor thermal
sensor causes
machine to stop.
Main motor
overloaded
.
Low line voltage.
Phase missing.
High oil separator pressure.
Make certain that electric power supply is
correct.
Check that the 3 power phases are at
approximately the same value and that the
cables are firmly secured to the terminal.
Check that the cables are not damaged.
Make certain the main motor ventilation is
free of any fouling or foreign objects.
If the motor is running in two phases, have
it checked by a qualified technician. If
necessary, have the motor repaired or
replaced.
The oil separator differential pressure is
above 1.0 bar causing high system
absorption. Have the unit checked by
qualified personnel.
Environmental temperature too high: air
the room.
To start up the machine again, reset it
using the special button on the control
panel.
When starting up the
unit for the first time,
the machine does not
start. Phase anomaly
alarm.
The line phases are not
correct.
Invert two power supply phases on the main
switch. (only for 3 phases version)
CAUTION!! UNPLUG THE MACHINE.
Excessive oil
consumption.
Oil not suitable for the
compressor operation.
Air-oil separator cartridge
spent or defective.
Oil recovery viewer clogged.
Oil level too high.
Replace oil, fill machine with the oil
indicated by the manufacturer. Replace oil
separator cartridge. Clean or replace oil
recovery window.
Top up oil until it reaches the level indicated
in the manual.