Operating instructions

5.4. Testing the pilot lamp
&
The green signal lamp is always on when the dryer is operat-
ing.
The orange signal lamp goes on in the case of an alarm mes-
sage, but can also flash shortly when the valve block is
changed.
5.4.1. Changing the bulb of the pilot lamp
Set the release switch “Timer” at “0" position.
L
Wait until the blower has stopped.
The run on time of the blower is 10 minutes.
If there is a return air cooler installed, switch off its coolant circuit.
Switch off the main switch of the dryer.
L
Interrupt the mains supply so that the device cannot be
switched on unintentionally.
&
The green signal lamp goes off.
64.10-0067GB10 06/00
CTT 30
Maintenance 41