1. Condition of the oil mist detector:
Oil mist detector mechanically damaged? : ☐ Not functioning when operated? : ☐
2. Checked whether suction on the oil mist
detector is working properly? Yes ☐ No ☐
3. Is the condition of the intake line OK? Yes ☐ No ☐
4. Is the condition of the intake line seal OK? Yes ☐ No ☐
5. Are any of the LEDs on the measuring head coming on? Yes ☐ No ☐
Check whether measuring head is ready for operation
Check the supply lines
Check the power supply on the measuring head (test with multimeter)
Minimum voltage: 18 V
Maximum voltage: 31.2 V Measured voltage: V
6. Problems with performance:
Emergency shutdown following oil mist alarm for no apparent reason.
• Device issues oil mist alarm from time to time ☐, or permanently ☐
During: Engine start ☐ Warm-up ☐
Increase in load ☐ Decrease in load ☐
Engine stop ☐ In various states ☐
• Have you checked the crankcase? Yes ☐ No ☐
If yes, did you find damage? Yes ☐ No ☐
Did you find water leakage? Yes ☐ No ☐
Did you find condensation? Yes ☐ No ☐
• Is the supply line OK and cable routing checked?
Yes ☐ No ☐
If yes: Is cable routing OK? Yes ☐ No ☐
Are plug connections OK? Yes ☐ No ☐
• Check the light path and clean if necessary
Is the light path wetted with oil? Yes ☐ No ☐
Is there condensate in the light path? Yes ☐ No ☐
• Check the negative pressure at the measuring head and check the pressure
section
Setting value for negative pressure on the measuring head: 60 mmWC 5 mmWC
Measured negative pressure at the measuring head: mmWC
Is the working pressure between the filter control valve and the venturi injector
completely or partially interrupted?
Yes No
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