Smart Positioner
YT-2500 / 2550 / 2501 Series
Product Manual
Ver. 1.34
58
RNG ERR
➢
I
ndicated when the feedback lever’s
angle used is excessively small
during auto calibration.
➢
When this error is detected, auto
calibration is aborted and this
message is indicated immediately
on LCD display.
➢
Re-install the positioner by
moving it towards the actuator
stem so that the angle use of the
feedback lever becomes larger.
LEAK
➢
Indicated when movement of
feedback lever is detected without
any pneumatic action of positioner
during auto calibration.
➢
When this error is detected, auto
calibration is aborted and this
message is indicated immediately
on LCD display.
➢
Check for leaks from output port
of the positioner and piping.
PT ERR
➢
Indicated when a leak is detected in
“PT TIME” during AUTO 2 or 3
calibration. Auto calibration will stop
and the error message will display
on the LCD.
➢
Make sure there are no leak in
the out ports of the positioner or
pipe lines
10.2
Error code which is displayed while using the product
Error Code
Code Description and Cause
Action
OVER CUR
➢
Indicated and blinked when 24mA
or more current is detected to the
demand input terminal.
➢
Buttons will not work while this error
message is displayed.
➢
Check the connection status to
the demand input terminal.
(miswiring, overcurrent input,
etc.)
10.3
Error code which can be checked from View mode
Error Code
Code Description and Cause
Action
C
➢
Indicated if the deviation between
SV and PV is above 10% and is
continued for over one minute.
➢
Indicated when the valve does not
operate, friction is extremely high or
when the air regulator’s set
pressure is too low.
➢
Can be checked from “Error”
category in View mode. (Refer to
section 9.9)
➢
Re-perform auto-calibration.
➢
C
heck air regulator’s set
pressure and re-adjust to
appropriate pressure.
