Manual

Operating Instructions – MOVIMOT® MM03C - MM3XC

129

Diagnostics of MOVIMOT® standard design

Diagnostics

Fault code 89

Thermal overload of brake coil or

brake coil defective

• Extend the set ramp time

• Brake inspection (see the section "Inspection and Maintenance")

• Contact SEW service

• If the fault should occur shortly after the initial enable, check the combination of drive (brake

coil) and MOVIMOT

frequency inverter.

• For combinations of "MOVIMOT

and motor with one lower power increment," check the

position of DIP switch S1/6.

Reset the fault by switching off the 24 V

supply voltage or use MOVILINK

Fault code 91

Communication error between field-

bus gateway and MOVIMOT

(this

fault is generated by the bus mod-

ule)

• Check electrical connection between fieldbus gateway and MOVIMOT

(RS-485)

• The fault is automatically reset after removing the cause, a reset via control word is not pos-

sible.

Faults Cause / solution