12
Problem
Little or no air
flow.
Possible cause
Diaphragm protective
switch activated.
Diaphragm damaged, or
external impact.
Diaphragm protective
switch design by model:
• LP-60EN
• LP-80E
• LP-150HN
• LP-200HN
• LW-300
• LW-350
• LW-400
Solution
Disconnect power.
Remove housing via
4 screws on tank.
Protective switch activated as
below. (OFF) (Photo 8 and 9)
Turn to non-activated position (ON)
(Photo 10 and 11).
If the diaphragm is damaged
(Repetition triggering of
diaphragm protective switch)
service pump by trained service
personnel!
Diaphragm protective switch activated:
Photo 8 (LP-60EN) Photo 9
Diaphragm protective switch not activated:
Photo 10 (LP-60EN) Photo 11