Samson 611 - 8 Malfunctions

EB 6116 EN 39
Malfunctions
8 Malfunctions
Depending on the operating conditions, check the valve at certain intervals to prevent a pos-
sible failure before it can occur. Operators are responsible for drawing up an inspection and
test plan.
SAMSON's After-sales Service can support you in drawing up an inspection and test plan
for your plant.
Table5: Troubleshooting
Malfunction
Possible reasons Corrective action to be
taken
Comments
No output signal
despite changing the
input signal
Supply air missing or not
connected.
Check the supply air. See
section5.4.
–
Incorrect terminal
assignment
Connect+and–
terminals correctly. See
section5.3.
NOTICE
i/p converter does not
need any extra voltage!
Do notconnect24VDC.
Incorrect input signal Connect correct signal.
Read nameplate:
0to20mA or
4to20mA.
Restrictor clogged up.
Clean the restrictor (see
section7.1).
–
Output signal does not
change proportionally
into the input signal.
Poor air quality.
Contact SAMSON's
After-sales Service.
Make sure that the air
quality complies with the
requirements (see
section3.2).
Checktheairlterand
separator installed in the
upstream air reducing
station regularly.
Mechanics stuck (e.g.
due to mechanical
shock).
Contact SAMSON's
After-sales Service.
–
SinteredlterinSUPPLY
and OUTPUT connection
clogged up with dirt.
Clean or exchange
sinteredlter.
–
Tip