BLADE
11-2
TI215G0010
Troubleshooting
INvERTER MALFUNCTIONS
These malfunctions are closely tied to the installation and use of compressors equipped with inverters.
PROBLEM
CAUSE
SOLUTION
The compressor won’t start.
No 0 – 10Vdc reference signal.
Replace the Maestro
XB
.
No enablement command.
Check that the start-up command
reaches the inverter. Call Mattei
technical support service.
Inverter not programmed.
Call Mattei technical support service.
C. Oil
Excessive oil consumption; the level
lowers too quickly; oil is detected
within the network.
The air - oil separator filter is clogged.
Replace filter and verify the causes of
the clogging. (see Section 9).
D. Temperature
The compressor stops due to its own
over-heating.
The radiator or the filter of the
cooling air is dirty; the environmental
temperature is excessive for the
compressor operation.
Verify the cause and remove the
problem (see Section 9).
The compressor stops due to the over-
heating of the motor.
Excessive working pressure.
Verify the setting and re-set to the
value foreseen for the machine (see
Section 9).
The main motor cooling is insufficient;
the motor sucks too little air or too
much warm air.
Verify the environmental conditions
and the condition of the filtering panel
(see Section 9).
