23
Operating Instructions
V Series
YILMAZ REDÜKTÖR
9- Troubleshooting Guide
All the operations below must be done by authorized and skilled mechanician/electrician.
Inform YILMAZ REDUKTOR before making any change to the gearbox. Only oil change is
allowed to change without information. Do not make anything if you are not sure what you
are doing and contact YILMAZ. Any change or operation done without the information of
YILMAZ REDUKTOR is in your own risk and responsibility and YILMAZ REDUKTOR does
not take any responsibility.
Troubleshooting Guide
ID
Problem
Observation
Remedy
001
Gearbox Does
Not Start Up
You hear no noise and shaft
is not turning. You are not
using any driver or
frequency inverter.
Please Check the voltage supply and frequency of your electric
connection. They must be in accordance with the nameplate of
the motor. Observe motor manufacturers start up manual. Still
does not work go to ID 100
002
Gearbox Does
Not Start Up
You hear no noise and shaft
is not turning. You are using
frequency inverter or driver.
Please observe the frequency inverter/driver manual. Check the
motor by supplying direct voltage to see if the problem is on your
driver/frequency inverter. Still does not work go to ID 001.
003
Gearbox Does
Not Start Up
You hear some noise
but both motor shaft and
gearbox shaft is not turn-
ing. You are not using any
driver /frequency inverter or
braked motor.
Please Check the voltage supply and frequency of your electric
connection. They must be in accordance with the nameplate of
the motor. Observe motor manufacturers start up manual. Still
same problem, the load may be too high for the chosen motor.
Loosen the gearbox from the load/torque.
If it works than the starting torque is insufficient and higher motor
power is needed. For mono phase motors, check the starting up
condensator and running condensator as well. If nothing helps go
to ID 100
004
Gearbox Does
Not Start Up
You hear some noise but
both motor shaft and gear-
box shaft is not turning. You
are using driver or frequen-
cy inverter.
Please observe the frequency inverters or drivers manual. To see
if the problem is on your driver or frequency inverter take out the
driver/frequency inverter and make direct voltage supply to the
motor according the motors nameplate. Still does not work go to
ID 100
005
Gearbox Does
Not Start Up
You hear some noise but
both motor shaft and gear-
box shaft is not turning. You
are using braked motor
Please Check the voltage supply and frequency of your electric
connection. They must be in accordance with the nameplate of
the motor. Observe motor manufacturers start up manual. Be
sure that the brake is working. Observe the brake manufacturers
manuel. If brake is supplied from YILMAZ observe this manuel for
correct brake wiring diagram. If still not work supply the brake with
voltage according its nameplate directly. For example 198 V DC.
You will hear a clicking noise explaining that the brake is opening.
If you hear no noise the brake or rectifier is defect. If you hear the
clicking noise the brake is working. You should this clicking noise
by your normal electric connection as well. By supplying direct
supply to the brake you hear the clicking noise and at same time
you supply the motor with direct voltage according to its name
plate and still same problem, the load may be too high for the
chosen motor. Go to ID 003.
