Samson 3730 Series - Troubleshooting

9-2 EB 8384-3 EN
Malfunctions
9.1 Troubleshooting
DANGER
!
Risk of fatal injury due to the ignition of an
explosive atmosphere.
Î Installation, operation or maintenance of
the positioner must only be performed by
personnel who has undergone special
training or instructions or who is autho-
rized to work on explosion-protected de-
vices in hazardous areas.
Crush hazard arising from moving parts on
the valve.
Î Do not touch any moving valve parts
while the control valve is in operation.
Î Before performing any mounting or in-
stallation work on the positioner, put the
control valve out of operation by discon-
necting and locking the supply air and
control signal.
Î Do not impede the movement of the actu-
ator and plug stem by inserting objects
into the yoke.
Table 9-1 lists general errors.
If the positioner detects an error, the possible
source of error is displayed in Code 49 on-
wards. In this case, ERR is displayed.
Example:
S
Example:
Error caused by pin
position
Î Refertothecodelist(AnnexA)forpossi-
ble causes and the recommended action.
Fault alarm output
'Maintenance alarm' as the condensed state
causes the optional fault alarm output to be
switched.
− The 'Function check' condensed state can
also activate the fault alarm output
(Code32).
− The'Maintenancerequired/Maintenance
demanded' condensed state and 'Out of
specication'canalsoactivatethefault
alarmoutput(Code33).
Conrming error messages
1. Turn untilCode3appears(read-
ing: No).
2. Press , the code number 3 blinks.
3. Turn until YES appears.
4. Press toconrm(reading: ).
5. Turn until the the error code that
you want appears.
6. Press toconrmtheerrormessage.
WARNING
!