890557_d•en•01.07.2014
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107
Problem
Possible cause
Remedy
Precipitation alarm is not triggered
Sensor is not connected, faulty or dirty
Check and clean sensor
Precipitation monitoring is switched off
Switch on function
Ice alarm is not triggered
Ice monitoring is switched off
Switch on the ice alarm
Temperature limit value set too low
Change limit value, note safety instructions
Sensor is not connected, faulty or dirty
Check and clean sensor
Comfort functions for dawn/dusk, sun and
temperature control are not functioning as
desired
Control timer is switched off
Switch on control timer or change program-
ming
Control timer not correctly programmed
Change programming of control timer
Sun shading is lowered too late in the sun-
shine
"Delay LOW" limit value is set too high (sun
control)
Change the limit value
Sun shading is lowered when there is little
sunshine
"Delay DOWN" limit value is set too low
(sun control)
Change the limit value
Sun shading system moves up to late in
cloudy weather
HIGH limit value set too high (sun control)
Change the limit value
Sun shading system does not move with
the sunlight level
Sun control is switched off
Switch on the sun control:
Sun shading system does not move at
dawn/dusk
Dawn/dusk control is switched off
Switching on the dawn/dusk control
Limit values of dawn/dusk control are not
correctly programmed
Changing the limit values
Sensor not installed correctly
Check the installation location
NOTE
Problems that primarily occur during commissioning are described in the
Wisotronic installation instructions.
Uroubleshooting
