SEW-Eurodrive PSH CM2H Series, Руководство по эксплуатации

Страница: 62 / 68

9
Malfunctions
Encoder malfunctions
Operating Instructions – Stainless Steel Servo Gearmotors
62
Fault Possible cause Measure
Motor heats up exces-
sively (measure tem-
perature, significantly
higher than 120 °C) Overload Check load for sluggishness, use larger motor
or reduce load if necessary, check travel pro-
file
Ambient temperature too high Observe permitted temperature range
Insufficient cooling Correct cooling air supply or clear cooling air
passages, retrofit forced cooling fan if neces-
sary
Forced cooling fan does not run Check connection, correct if necessary
Nominal duty cycle (S1 to S10, EN
60034) exceeded, e.g. caused by
excessive effective torque Adjust the nominal duty cycle of the motor to
the required operating conditions; consult a
professional to determine the proper drive, if
necessary
Inverter not optimized Check the inverter
Running noise on mo-
tor Bearing damage Contact SEW-EURODRIVE.
Replacing the motor
Vibration of rotating parts Rectify cause, possible imbalance
Forced cooling fan: Foreign bodies
in cooling air ducts Clean cooling air ducts
9.3 Encoder malfunctions
Encoder malfunctions are displayed at the inverter with a corresponding error mes-
sage.
9.4 SEW-EURODRIVE service
If you are unable to rectify a fault, contact SEW‑EURODRIVE Service. For the ad-
dresses, refer to www.sew‑eurodrive.com.
When contacting SEW‑EURODRIVE Service, always specify the following information
so that our service personnel can assist you more effectively:
• Information on the device type on the nameplate (e.g. type designation, serial
number, part number, product key, purchase order number)
• Brief description of the application
• Nature of the fault
• Accompanying circumstances
• Unusual events preceding the problems
26880490/EN – 05/2022