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Troubleshooting
Malfunction
Cause
Remedy
IS 2180-2
without power
W
Fuse faulty; not switched
ON
W
Short circuit
W
Mains switch OFF
W
Renew fuse, switch on
mains power switch,
check wiring with voltage
tester
W
Check connections
W
Switch on
IS 2180-2 will not switch
ON
W
Twilight control set to
nighttime mode during
daytime operation
W
Bulb faulty
W
Mains power switch OFF
W
Fuse faulty
W
Detection zone not
properly targeted
W
Adjust setting
W
Change light bulb
W
Switch on
W
Renew fuse, check
connection if necessary
W
Re-adjust
IS 2180-2 will not switch
OFF
W
Continuous movement in
the detection zone
W
Light is in detection zone
and keeps switching on
as a result of tempera-
ture change
W
Set to continuous
operation by indoor
series switch
W
Check detection zone
and re-adjust if
necessary or fit shrouds
W
Re-adjust zone or apply
shroud
W
Set series switch to
automatic mode
IS 2180-2 keeps switching
ON/OFF
W
Light is in detection zone
W
Animals moving in
detection zone
W
Heat source (e.g.
extractor hood outlet) in
detection zone
W
Adjust detection zone
or fit shrouds, increase
distance
W
Adjust detection zone or
fit shrouds
W
Adjust detection zone or
fit shrouds
IS 2180-2 switches on
when it should not
W
Wind is moving trees and
bushes in the detection
zone
W
Cars in the street are
being detected
W
Sudden temperature
changes due to weather
(wind, rain, snow) or air
expelled from fans or
open windows
W
Blank off sections using
shrouds
W
Blank off sections using
shrouds
W
Adjust detection zone or
change site of installation
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