Maintenance
Doc. no. BA012497_02
104 / 107
GB
16 Maintenance
The Light Control Box does not contain any components that require main-
tenance. The device can only be replaced as a complete unit.
16.1 Cleaning
CAUTION!
Using the wrong cleaning products will damage the device!
Use a lint-free cloth that is either dry or dampened with water.
16.2 Troubleshooting
Fault
Cause/solution
Lighting is off
• Ambient light level is above the preset twi-
light switch value
• Lighting has been switched off manually
• The switch-off delay time has been set too
short
Lighting is switched
off during the hours of
darkness despite the
presence of persons
• Ambient light level is above the preset twi-
light switch value
• Lighting has been switched off manually
Lighting does not
switch off or lighting
switches on spontane-
ously when no per-
sons are present.
• The switch-off delay time has not yet
elapsed
• Fault display due to animals.
•
There are moving objects within the field of
detection, such as curtains next to an open
window.
• There are sources of thermal interference
within the field of detection, e.g. heating or
air-conditioning.
Detector does not
respond.
• Lack of power supply; check the mains
voltage.
Problem solving