Light failure
ITNSL detects light faiulre by monitoring current lights circuit. When current drops bellow limit it acctivates
alarm.
Important!!!
Even though lamp failure is indicated power supply can be still present on terminals. Switch off light
on main unit and check if power supply is present on light circuit.
1. Check lights fuses
2. Before replacing fuses check lights circuit for short circuit / earthning. (Do not connect lights if lights cables
are in short circuit or have earth fault)
3. Check light
4. Replace fuses
5. Turn on light
6. Visually check operation of light
In case that light is still not operating output circuit is damaged. Connect light to free input and reconfigure
system.
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