COSMOS DRIVER SERIES 3000 - USE AND MAINTENANCE MANUAL
28 Mains voltage problem There are some problems to the three-phase mains
voltage, due to the absence of one or more phases
and/or lack of voltage. It is recommended to check the
correct operation of the power supply protection
systems.
29 FAULT in the STO circuit It was not possible to enable the driver due to the fault
in the safety circuit. Make sure the mains voltage is
supplied to the connector of the safety circuit.
30 STO circuit enabling The driver safety circuit has no external consent signals
10.3 Warnings
10.3.1 Models for brushless motor
Code Message Description
27 Absence of STO enabling signals It was not possible to enable the driver, due to no
consent signals to the safety circuit.
10.3.2 Models for asynchronous motor
Cod. Message Description
26 Ventilation not enough At least one of the fans is running at insufficient speed
rate. Check if there are any obstructions that prevent
the fans from operating correctly.
Ver. 1.07 Pag. 94
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