50
Smart valve positioner
TS800/TS805 Series
tissin
6
STEP4 OT
Displayed when Open time is
too long during auto
calibration.
Check the status of feedback
lever installation.
If the actuator size is too big,
please set TbL value as TbL 4
LLS and conduct auto calibration
again. (Refer to page37)
7
STEP5 BL
Displayed when LOW BIAS
value is not found within the
allowed time.
Check the status of supply air.
If Torque motor of the positioner is
damaged, please replace Torque
motor.
Check the status of feedback
lever installation.
8
STEP6 BH
Displayed when HIGH BIAS
value is not found within the
allowed time.
Check the status of supply air.
If Torque motor of the positioner is
damaged, please replace Torque
motor.
Check the status of feedback
lever installation.
9
PID TBLE
Displayed when PID Table
memory of Main PCB is
damaged.
Replace Main PCB.
10
STEP7 MX
Displayed when the
positioner can’t find the
accurate position due to
friction of the actuator is too
big.
Change TbL value as TbL 3 LS to
minimize the friction of the valve
stem and conduct auto calibration
again. (Refer to page37)
11
ERR
Displayed when auto
calibration failed due to other
unknown reasons.
Replace the positioner.