Pentair Goyen Mecair FFA, Installation And Operation Manual, Page: 36 / 44

30 INSTALLATION AND OPERATION MANUAL – OWNER'S RECORD FFA MANUAL – FILTER FAILURE ALARM
4. Check that the lock nut moves freely.
5. Apply a small amount of copper slip or grease to the threads to prevent binding.
6. Refit the sensor to the ductwork.
7. Inspect the connecting cable (where possible), ensuring that it is not damaged or stressed.
9.4.2 Cleaning the Control Unit
The control unit requires minimal cleaning. Heed the warnings and cautions at the start of this section. As part of
your routine maintenance, gently wipe the front panel and the enclosure of the control unit with a damp cloth only
(do not use cleaning agents).