Samson TROVIS 3730-3 Mounting And Operating Instructions page 111

Error ID Status
225
226
227
2641
2644
2643
2645
Table 23: Further troubleshooting
Description of fault
No reading on the display
Actuator moves too slowly
Actuator moves in the wrong direction.
Air leaks from the positioner.
Limit contact does not work properly
EB 8484-3 EN
Message
Shifting working range: operat-
ing range is shifting towards the
maximum OPEN position
Limited working range: lower
range
Limited working range: upper
range
Init: canceled (control accuracy)
Init: low control accuracy
Init: angle limitation
Init.: time-out
Recommended action/description
Î Check positioner attachment and valve.
The operating range may have shifted.
Î Check supply pressure, positioner at-
tachment and valve. There may be leak-
age or a blockage.
Î Check supply pressure, positioner at-
tachment and valve. There may be leak-
age or a blockage.
Î Check positioner attachment, pin posi-
tion and supply air. Re-initialize the po-
sitioner. Possibly use a screw restriction
(see section 3.3).
Î Check positioner attachment, pin posi-
tion and supply air. Re-initialize the po-
sitioner. Possibly use a screw restriction
(see section 3.3).
Î Check positioner attachment, lever and
pin position.
Î Check positioner mounting, pin position
and supply air. Check piping and con-
figuration of the mounting parts.
Measures
Î Check electrical connection and power supply.
Î Check the ambient temperature (the display's oper-
ating range is from –30 to +65 °C).
Î Check the supply pressure.
Î Correct setting for filter (transit time).
Î Check the cross-section of the piping and screw fit-
tings.
Î Check the configuration of the mounting parts.
Î Check the characteristic setting.
Î Check piping.
Î Check the configuration of the mounting parts.
Î Check seals.
Î Check the mounting and cabling.
Î Check polarity of signal wires.
Malfunctions
111