Samson 2417 Series - Troubleshooting Common Issues

EB 2517 EN 45
Malfunctions
Table9: Troubleshooting
Malfunction Possible reasons Recommended action
Upstream pressure
exceedstheadjusted
set point.
Insufcientpressurepulsesonthe
operating diaphragm.
Î Connect the control line on site for regulators
withexternalcontrolline.
Î Cleanthecontrollineandscrewttings.
Pressure tapped at the wrong place
(regulatorwithexternalcontrolline).
Î Reconnect the control line at another point.
Î Do not connect the control line at pipe bends or
necks.
Regulatorinstalledagainsttheow.
Î Installtheregulatorsothatthedirectionofow
matches the direction indicated by the arrow on
the body.
Regulator or K
VS
/C
V
coefcienttoo
small
Î Checkthesizing.
Î Change K
VS
/C
V
coefcient,ifnecessaryorin-
stalladifferentsizedregulator.
Î Contact SAMSON's After-sales Service depart-
ment.
Foreign particles blocking the plug
Î Remove foreign particles.
Î Replace damaged parts.
Î Contact SAMSON's After-sales Service depart-
ment.
Compensation chamber in the wrong
position or too small (with steam).
Î Reconnect compensation chamber at a different
placeorreplaceit(seesection7.7).
Defective operating diaphragm Î Replace damaged diaphragm.
Pressure drops below
the adjusted set point.
Foreign particles blocking the plug
Î Remove foreign particles.
Î Replace damaged parts.
Î Contact SAMSON's After-sales Service depart-
ment.
Seat and plug are worn or leak.
Î Replace the damaged seat and plug.
Î Contact SAMSON's After-sales Service depart-
ment.
Pressure tapped at the wrong place
(regulatorwithexternalcontrolline).
Î Reconnect the control line at another point.
Î Do not connect the control line at pipe bends or
necks.
Regulator or K
VS
/C
V
coefcienttoo
large
Î Checkthesizing.
Î Change K
VS
/C
V
coefcient,ifnecessaryor
installadifferentsizedregulator.
Î Contact SAMSON's After-sales Service depart-
ment.
Control line blocked Î Cleanthecontrollineandscrewttings.
Strainer blocked. Î Clean strainer.