4
The pressure switch is not activated (ventilator is not running or too much counterpressure in exhaust pipe).
The pressure switch is activated when the ventilator is not active (pressure switch is damaged or bypassed).
Important
An engineer must check the working of the switch and replace it in case of malfunction.
The speed sensor is not giving signals and the motor is activated (speed sensor is damaged or motor is not running).
Important
The foot pedal has to be released as soon as possible to prevent that linen in the ironer will be damaged by burning.
30