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8 Environment & disposal
The crossed-out wheelie bin symbol indi-
cates that the product must not be disposed
of with household waste.
Dispose of the product in accordance with
applicable local recycling regulations. Dis-
posing of the product separately helps
6 Troubleshooting
Fault
Cause
Solution
Fan not
responding.
Zone configured
incorrectly.
• Check the DIP switch position on the fan.
• Check the zone setting on the control unit;
reconfigure if necessary.
Installation or
maintenance fault.
• Check the cabling to the fan and control
unit.
Filter status
icon flashing
steadily.
Filter replacement
interval elapsed.
• Check the filter; replace if necessary.
• In the menu, confirm filter replacement
via the filter status icon.
Touchscreen
slow to
respond.
The resistive display
responds to precise
pressure.
• Change the pressure point position
slightly.
• Use an aid, such as a stylus.
Some modes
are locked.
The control unit has
been locked.
• Unlock the control unit via the padlock
icon, with the PIN you chose previously.
7 Maintenance
You can clean the programming unit sur-
faces with a damp cloth as necessary.
Check the optional sensor annually when
maintaining the system and clean with a
brush if necessary.
Summary of Contents for TOUCH
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