Smart Positioner
YT-2500 / 2550 / 2501 Series
Product Manual
Ver. 1.34
57
10
Error and Warning Code
Error or Warning code occur if there is a problem during Auto calibration or using the product.
➢
Error code : These are indicated if the positioner cannot be controlled, malfunctions or becomes
imprecise.
➢
Warning code : These are indicated when the positioner can be controlled, but there is a possibility
of malfunctioning or degree of precision has dropped.
10.1
Error code which is displayed during Auto calibration
Error Code
Code Description and Cause
Action
MT ERR L
➢
Indicates that due to wrong
positioning and installation of the
positioner, there is a chance that
the feedback lever and the
positioner’s stopper could collide
when the lever is at 0% during auto
calibration.
➢
When this error is detected, auto
calibration is aborted and this
message is indicated immediately
on LCD display.
➢
Set the feedback lever
horizontally when at 50%.
➢
Re-adjust the position of the
positioner by referring to the
following effective range of the
feedback lever’s angle
(Linear : 30 deg., Rotary : 90 deg.)
MT ERR H
➢
Indicates that due to wrong
positioning and installation of the
positioner, there is a chance that
the feedback lever and the
positioner’s stopper could collide
when the lever is at 100% during
auto calibration.
➢
When this error is detected, auto
calibration is aborted and this
message is indicated immediately
on LCD display.
CHK AIR
➢
Indicated when the valve is not
moving despite the positioner has
given “Full Open” signal during auto
calibration.
➢
When this error is detected, auto
calibration is aborted and this
message is indicated immediately
on LCD display.
➢
Check if pressure is being
supplied normally to the
positioner.
