Alarms
42
Code no. 576017
Rev. nº 02/0415
16
GAS IGNITION FAULT (machines with gas heating only)
Persistent detection of a faulty flame.
(This alarm only occurs on machines with gas heating.)
When this alarm is first displayed on the screen, a compulsory purge time begins during which the system
disables the
STOP
key.
Probable cause:
Fault in the gas supply, or the manual gas inlet valve is closed.
Incorrect gas supply pressure.
Poor adjustment of the primary air supply (Venturi) or excessive suction.
Fault in the ignition system or in the burner flame detection.
Fault in the control for opening the gas valve.
Disconnection of the input safety thermostat.
Poor suction.
Procedure:
Check that the gas inlet valve is open.
Do not disconnect the machine’s power supply.
After the purge time has ended, press the
STOP
button to turn off the alarm and repeat the program start-up.
If the problem persists:
Close the manual gas inlet valve.
The dryer will begin the cooling stage.
Once it has finished, disconnect the machine from the power supply.
Close the manual gas inlet valve.
Contact Authorised Technical Services.
17
ELECTRIC HEATING FAULT
Faulty disconnection of the heating system.
(This alarm only occurs on machines with electric heating.)
Probable cause:
Fault in the contactor(s) controlling the heaters.
Permanent power supply to the contactors.
Procedure:
Switch off the power supply to the machine.
Contact Authorised Technical Services.
18
HEATING FAULT
Uncontrolled heating connection.
Probable cause:
Undetermined error in the machine control or in the heating system.
Procedure:
Switch off the power supply to the machine.
Contact Authorised Technical Services.
In dryers with gas heating, close the manual gas inlet valve.
