Service
[ S ] 39
Piep
Service
– Operation
To change to the service operation switch off the device using the
main power switch.
Push and hold the
-button and turn the device back on at the
main power switch. Keep holding the
-Button until a short
beep is audible.
LEDs will blink in Service Mode.
Instead if the Comfort Level, alternative air flow can be selected
to 20, 30, 40, 50, 60, 70, 80 or 100 m
3
/h by using the
-Button.
Notes
• Selecting the Service Operation will reset the filter hour counter to zero.
• After switching the device off and back on all functions will be restored to Comfort or
Dehumitification operation.
• Prolonged holding of the
-Button will launch Test Operation (the upper middle as well as
the lower blue LEDs will be on).
• In Service Operation some functions such as defrost are not available. Therefore this
operation should only be used during maintenance work.
While switching the device on
– none illuminated LEDs indicate
the firm ware version digitally from the bottom up.
Here is an example for version 1.
10
.
16
8
4
2
1
8
+
2
= 10
