6
6. Trouble shooting guide:
Problem
• Lamp stays ON all
the time at night.
• PIR keeps activating
for no reason/
at random.
• PIR sensor will not
operate at all.
• The PIR sensor
will not operate
at night.
Solution
The unit may be suffering from false activation. Cover the sensor
lens completely with a thick cloth. This will prevent the sensor from
‘seeing’ anything. If the unit now switches off after the set time
duration and does not re-activate, this indicates that the problem
was caused by false activation. The problem may be solved by
slightly adjusting the direction/angle of the sensor head
(see previous section).
The unit is in Manual Override Mode and will illuminate until
dawn or until reset to Automatic Mode.
To reset to Automatic Mode, switch the internal switch/circuit
breaker off/on within one second.
Holiday Mode has been selected. Switch the internal wall switch/
circuit breaker off/on with one second and the unit will return
to Automatic Mode. The light will illuminate only when motion
is detected.
You may not be allowing the unit time to complete it's warm-up
period. Stand well out of the detection range and wait
(the warm-up period should never exceed 5 minutes).
Occasionally, winds may activate the sensor. Sometimes passages
between buildings etc. can cause a "wind tunnel" effect.
Ensure the unit is not positioned so as to allow detection of cars/
people using public thoroughfares adjacent to your property.
Check that the power is switched ON at the circuit breaker/internal
wall switch.
Turn OFF the power to the unit and check the wiring connections
as per the diagram (see previous section 3). Ensure no connections
are loose.
Check the lamp. If the lamp has failed, replace. Ensure that the lamp
is seated correctly in the lamp holder.
The level of ambient light in the area may be too bright to allow
operation at the current DUSK setting. During the hours of darkness,
adjust the DUSK control slowly clockwise until the lamp illuminates.
Refer to previous section for more details.