Samson EB 2111 - Malfunctions; Troubleshooting

EB2111/2121/2123 EN 8-1
Malfunctions
8 Malfunctions
8.1 Troubleshooting
Malfunction Possible reasons Recommended action
Temperature regulators for heating applications·Type1 and Type4
Temperature at the
sensor exceeds the set
point
Foreign particles blocking the plug
Î Remove foreign particles.
Î Replace damaged parts.
Î ContactSAMSON'sAfter-salesService.
Seat and plug are worn or leak.
Î Replace the damaged seat and plug.
Î ContactSAMSON'sAfter-salesService.
Controlthermostatdefective Î Replace the control thermostat.
Stem projecting out of the set point
adjuster due to excess temperature at the
sensor
Î The regulator must be repaired or serviced.
Î ContactSAMSON'sAfter-salesService.
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.
Sensor installed incorrectly.
Î Immerse the temperature sensor with its
entire immersion depth in the process
medium.
Î Avoid an installation site where idle times or
heat buildup can occur.
Sensor installed in the wrong location. Î Changethemountingposition.
Temperatureuctuates
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.
Sensor installed incorrectly.
Î Immerse the temperature sensor with its
entire immersion depth in the process
medium.
Î Avoid an installation site where idle times or
heat buildup can occur.
Sensor installed in the wrong location. Î Changethemountingposition.
Jerky control response
Increased friction, e.g. due to foreign
particles between seat and plug
Î Remove foreign particles.
Î Replace damaged parts.
Î ContactSAMSON'sAfter-salesService.