Samson 3725 User Manual

64 EB 8394 EN
Malfunctions
9.2 Error codes
The errors listed in the following table are assigned to error classes:
Error class 1: No operation possible
Error class 2: Manual operation only possible
Error class 3: Manual operation and closed-loop control possible
Contact SAMSON's After-sales Service department for malfunctions not listed in the table
(see section11.1).
Code Description Class
E0 Zero error
(operational error)
Only with tight-closing function P10 (end position w < set
to ON).
The zero point has shifted by more than 5% compared to
initialization. The error may arise when the valve seat trim
is worn.
3
Recommended action Check valve and positioner attachment.
If the positioner is mounted correctly, perform a zero cali-
bration over Code P16 (see section7.9).
Error code can be reset (see section9.1).
E1 Displayed and INIT
values are not identical
(operational error)
Adjusted and displayed valves are not identical to the INIT
values as the parameters were changed after initialization.
3
Recommended action Reset parameters or perform initialization.
E2 Positioner has not been
initialized
Malfunction or parameter change requiring the positioner
to be re-initialized.
2
Recommended action Set parameters and initialize the positioner over Code P15.
E3 K
P
setting
(initialization error)
Positioner hunts.
Volume restriction set incorrectly, too much gain.
2
Recommended action Check the volume restriction setting as described in section
7.3. Limit gain K
P
in Code P8. Re-initialize the positioner.
E4 Transit time too short
(initialization error)
The transit times of the actuator determined during initializa-
tion are so short (below 0.5 second) that optimal positioner
tuning is not possible.
2
Recommended action Check the volume restriction setting as described in sec-
tion7.3.
Re-initialize the positioner.

Samson 3725 Specifications

General

Brand	Samson
Model	3725
Category	Controller
Language	English