Operation and maintenance instructions
Series PRE proportional pressure regulator
External sensor version
5000056022
Ver. 00
33
14.
Troubleshooting and/or exceptional circumstances
Code
Name
Description
ERROR = The control operations are interrupted
E001
Alarm sensor
Communication error regarding pressure sensor, the
sensor doesn’t communicate in the right way
or a
diagnostic error is present
E002
E003
Alarm ADC
ADC starting error, this error regards the conversion, that
is necessary to read the target pressure, or an error was
detected during the process.
E004
E005
Alarm EEprom
Memory writing, reading or accessing error of information
that is essential to the process.
E006
E007
E009
Pressure out of range
The regulator is not able to reach the target pressure.
E010
Fault up coil
Generic error during pilot valve power on, probably
caused by interrupted or short-circuited coil.
E011
Fault down coil
Generic error during pilot valve power off, probably
caused by interrupted or short-circuited coil.
WARNING = The control operations are not interrupted but performance is not guaranteed
A129
Undervoltage Power
Power supply is below the minimum value.
A130
Pressure out of range
The regulator is not able to reach the target pressure.
A131
No activation valve
No activation valve error
A132
Wrong analog signal
The analog target signal is out of range
A133
Warning EEprom
Memory writing, reading or accessing error of information
that is not essential to the process.
A134
A136
A135
Wrong ADC calibration
Error on ADC calibration.
A142
Wrpng external sensor
signal
The analog external sensor signal is out of range
If the device is equipped with the coil vision function, the following signals are also available:
Codice
Nome
Descrizione
WARNING = The control operations are not interrupted but performance is not guaranteed
A137
Warning charge coil
The charge coil valve is near the end of its life cycle.
A138
Warning exhaust coil
The discharge coil valve is near the end of its life cycle.