Tork TREA 0060, User Manual, Page: 28 / 32

SMS-TORK Endüstriyel Otomasyon Ürünleri San. Tic. Ltd. Şti.
28
Table 9. Malfunctions and possible causes
Problem Probably Case Corrective/Preventive Action
The motor is not spinning.
There is an open in control
circuit.
Wiring scheme must be
checked.
Motor isolatio is damaged.
Motor windings must be
checked with Megger Test.
There is no supply voltage
Supply voltage must be
greased.
There is no energy on the
product.
Valve shaft is not greased
enough.
Valve shaft must be greased.
Valve only opens or closes.
Gearbox has a grease problem.
Gearbox and gears must be
greased.
Valve has jammed.
Valve maintenance must be
repeated.
Limit siwtch adjusting
has gone off.
Limit switches must be checked
and must be adjusted again
if it necessary.
Manual on / off handle does not
control the valve.
Gears turn useless.
Stripped gears must be
changed with proper one.
Manuel handwheel’s shafta has
broken down.
Broken shaft must be changed
with proper one.
Valve shaft has broken down. Valve shaft must be changed.
The motor is turning but the
valve is not opening / closing.
Gears turn useless.
Stripped gears must be
changed with proper ones.
The proportional actuator does
not give position information.
Potantiometer gears turn
useless.
Gear must be tighten up with
setscrew.
Proper signal is not selected
with DIP switches.
Signal adjusting must be done
with DIP switches according to
wanted signal type.
Electronic cards has damaged.
Electronic card must be
changed.
The proportional actuator could
not turn on / off the valve at the
desired value.
There is no inout signal.
Warning LEDs and input/
output signal wirings must be
checked.
Input signal type and signal
choosing DIP switches must be
checked collaterally.
Potentiometer gears turn
useless.
Gear must be tighten up with
setscrew.
Electronic card has damaged.
Electronic card must be
change.