Malfunctions - Samson 611 Mounting And Operating Instructions

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.
Tip
SAMSON's After-sales Service can support you in drawing up an inspection and test plan
for your plant.
Table 5: Troubleshooting
Malfunction
No output signal
despite changing the
input signal
Output signal does not
change proportionally
into the input signal.
EB 6116 EN
Possible reasons
Supply air missing or not
connected.
Incorrect terminal
assignment
Incorrect input signal
Restrictor clogged up.
Poor air quality.
Mechanics stuck (e.g.
due to mechanical
shock).
Sintered filter in SUPPLY
and OUTPUT connection
clogged up with dirt.
Corrective action to be
taken
Check the supply air. See
section 5.4.
Connect + and –
terminals correctly. See
section 5.3.
Connect correct signal.
Clean the restrictor (see
section 7.1).
Contact SAMSON's
After-sales Service.
Contact SAMSON's
After-sales Service.
Clean or exchange
sintered filter.
Malfunctions
Comments
–
NOTICE
i/p converter does not
need any extra voltage!
Do not connect 24 V DC.
Read nameplate:
0 to 20 mA or
4 to 20 mA.
–
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.
–
–
39