Error Messages (Tzid/Azh - ABB STT04 Instruction Manual

TZID/AZH POSITIONER

ERROR MESSAGES (TZID/AZH)

Table M-1. Error Messages for TZID/AZH Positioner
Message
ACCESS DENIED, AUTO-
STROKE IN PROGRESS
ALARM LIM SW1 REACH
ALARM LIM SW2 REACH
AUTOSTROKE IS
ALREADY STARTED
AUTOSTROKE
ERROR nn
CONTROL NOT ACTIVE
DEVICE ERROR
DEADBAND TOO SMALL
DEADBAND TOO LARGE
DIST METR LIMT EXCD
LEAK TOWARD ACTUATR Leakage towards actuator detected.
POS OUT OF LEVR RNG
POSITIONING TIMEOUT
ROM DEFECTIVE
SET-PT OUT OF RANGE
SHUT-OFF VALUE TOO
LARGE
SHUT-OFF VALUE TOO
SMALL
SP NOT RCHD IN TIME
ERROR MESSAGES (TZID/AZH)
M - 16
Table M-1 lists the TZID/AZH positioner error messages in alphabeti-
cal order.
Description
Attempted to change device parame-
ters when autostroke was in process.
Valve position below low alarm limit.
Alarm limit of SW2 has been reached.
Attempted to start the autostroke cali-
bration while it was already in
progress.
At the end of autostroke, lists the
autostroke error number if any
occurred.
Valve position does not follow set point.
NOTE: An exclamation point (!) follow-
ing the message indicates that the
alarm output is active.
Internal data error.
Deadband percentage value too small. Increase deadband percentage value.
Deadband percentage too large.
Limit of distance meter exceeded.
Position out of lever range.
Valve position does not follow set point.
Alarm output active.
Positioner ROM is defective.
Set point is out of range.
Shut-off value is too large.
Shut-off value is too small.
Set point not reached within the dead-
band time limit.
Valve position does not follow set point.
Corrective Action
Wait for autostroke to complete and
then try the operation again.
This is a warning message indicating
a critical valve position.
Allow calibration process to finish.
Find error number meanings in TZID/
AZH instruction manual.
Activate automatic control in operat-
ing mode 1.0 or 1.1 to terminate the
inactive state.
Reset positioner. If problem persists,
load standard configuration.
Decrease deadband percentage
value.
Start valve and positioner diagnosis
steps according to maintenance
practices.
Check tubing of actuator for leaks.
Check if the positioner is mounted
properly.
Check air supply pressure and tubing;
check actuator, valve and positioner.
Increase time limit using STT when
hardware is ok.
Call ABB technical support.
Adjust the set point range using the
STT.
Reduce shut-off value.
Increase shut-off value.
Check air supply pressure and tubing;
check actuator, valve and positioner.
Increase time limit using STT when
hardware is ok.