Samson 611, Монтаж и эксплуатация

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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
C 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 filter 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 filter in SUPPLY
and OUTPUT connection
clogged up with dirt.
Clean or exchange
sintered filter.
–
Tip