7.Countermeasures for failure
Warning
Avoid use when failure is not solved.
-9-
!
Phenomenon
Cause
Countermeasures
Too much flow from exaust
port
Dust attach supply port or
exaust port
Disassemble and clean.
(If flawed, replace the part.)
Broken diaphragm
Replace diaphragm
No signal even if input
signal is applied
Pressure leak due to loosen
screw
Tighten screw
Restrictor open too much
Decrease open degrees of
restrictor, and lock.
Broken diaphragm
Replace diaphragm
Bad characteristic
Valve
stem
length
is
changed due to loosen lock
nut
Readjust
into
optimum
valve, and lock.
Plugged restrictor
Disassemble and clean
Deformed diaphragm
Replace diaphragm
