1 Troubleshooting
Troubleshooting and maintenance procedures can only be performed by qualified personnel with
the necessary knowledge.
Before any maintenance or service parts make sure that:
- no part or device is powered and must not be connected to a power source
- that no part or device is under pressure and must not be connected to a compressed air
system under pressure,
- that the maintenance staff fully and accurately read the operating instructions, and in
particular the chapters relating to safety at work.
POSSIBLE CAUSE - PROPOSED COURSE OF ACTION
None of the LED lights on
the controller are on
*controller
● Make sure that the system is connected to a power source.
● Check the electrical installation (internal and external).
● Check that the circuit board is not damaged.
The TEST button is
pressed, but
the condensate is not
drained
*condensate drain
● The service valve in front of the drain is closed - open it.
● The dryer is not pressurized - set normal operating conditions.
● The solenoid valve is defective - replace the condensate separator.
● The circuit board is damaged - replace the condensate drain.
Condensate is only
drained when the TEST
button is pressed.
*condensate drain
● The capacitive sensor is dirty - open the condensate separator and
clean the plastic tube of the sensor.
The spout blows out air.
*condensate drain
● The electromagnetic valve diaphragm is dirty - open the drain and
clean it.
● The capacitive sensor is dirty - open the condensate separator and
clean the plastic tube of the sensor.
The drain is in a state of
alarm/doesn’t work at all.
*condensate drain
● The capacitive sensor is dirty - open the condensate separator and
clean the plastic tube of the sensor.
● The service valve in front of the drain is closed - open it.
● The dryer is not pressurized - set normal operating conditions.
● The solenoid valve is defective - replace the condensate separator.
● if the controller was replaced, it may be necessary to change the
controller parameters (parameter “2” to be set on value “0”) – see
section 2.3
Errors “Pf1”, “Pf2”, ”Pf3”
are shown on controller
*controller
*sensor
● Pf1 - dew point sensor
● Pf2 - compressor sensor
● Pf3 - condenser sensor
● A sensor is missing or is badly/incorrectly installed – check the sensor
wiring on the controller
● The controller is faulty/not working properly – the controller has to
be replaced
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