Endress+Hauser ISEmax compressed air cleaning unit - Maintenance Tasks; Checking Compressed Air Supply to Sensor

ISEmax compressed air cleaning unit (230 V AC) Maintenance
Endress+Hauser 15
8.2 Maintenance tasks
8.2.1 Checking compressed air supply to sensor
If cleaning unit is switched on:
1. Check if air is escaping from the cleaning nozzle on the sensor.
2. If not, and if air is instead escaping only via the safety valve on the cleaning unit:
Check the complete supply line to the cleaning nozzle and check the nozzle itself for
contamination and blockage.
3. Remove the contamination.
 If this is not possible: Replace blocked hoses, connectors or nozzles.