9.01
TI013G0008
Troubleshooting
General
The table below aims at helping the operator solve some dif
fi
culties that may arise,
with indications of the possible causes.
Problem - Cause - Solution
Below is the indication of some faults, their causes and how to identify the solution.
PROBLEM
CAUSE
SOLUTION
MAESTRO XB is working,
it activates the start but the
compressor does not start.
Line pressure is higher than
Pmin / the pressure transdu-
cer reads an incorrect value.
Check the line pressure.
Verify the correct operation of
the pressure detection system:
transducer, collector and
switching solenoid valves.
Contact the nearest authorized
service center.
The hour programming has
been enabled.
B. Pressure
The network pressure does
not reach the required value.
The minimum pressure valve
does not operate properly.
Verify the operation.
Contact the nearest authorized
service center.
The condensate drain sole-
noid valve is blocked in the
open position (if present).
Clean the speci
fi
c
fi
lter to remo-
ve the cause of the block and
then check operation.
Please refer to the “Installation,
Use, and Maintenance Ma-
nual”, Section 12.
The minimum pressure valve
does not function correctly.
Verify the operation.
Contact the nearest authorized
service center.
Clogged intake
fi
lter.
Replace the
fi
lter.
Refer to section 7 to the “Ope-
rating and maintenance
manual”.
Request for air greater than
the compressor maximum
capacity.
Please refer to the Sales Orga-
nization of Mattei Compressors
Inc to study equipment impro-
vement.
The inside pressure exceeds
the set value.
The setting of the maximum
pressure value in the [USER
MENU] menu is incorrect.
Verify the correct setting of ope-
rating parameters.
Please refer to the “Installation,
Use, and Maintenance Manual”
Section 5 and 6.
