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Fault indication VN/87plus series

Fault indication on LED- display

Click on fault indication link to view maintenance proceedure

LED number 14 is blinking and the ready light is off

- Negative pressure/ airflow too low!

LED number 13 is blinking and the ready light is off

- Optical sensor dirty!

LED number 12 is blinking and the ready light is off

- Voltage of internal battery too low!

LED number 11 is blinking and the ready light is off

- Ambient temperature too low!

LED number 10 is blinking and the ready light is off

- Ambient temperature above 70 C°

LED number 9 is blinking and the ready light is off

- electronic temperature below 0 C°

LED number 8 is blinking and the ready light is off

- Electronic temperature too high!

LED number 7 is blinking and the ready light is off

- RESET button defective

LED number 6 is blinking and the ready light is off

- Supply voltage too high!

LED number 5 is blinking and the ready light is off

- Switch for adjusting sensitivity defective!

LED number 4 is blinking and the ready light is off

- Infrared sensor track defective

LED number 3 is blinking and the ready light is off

- Airflow sensor defective!

LED number 2 is blinking and the ready light is off

- Electronic module defective!

LED number 1 is blinking and the ready light is off

- Electronic module defective!

All LED are dead/ no light

 


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