Vacon NX Service Manual

Fault codes and software
24h on-call service phone: +358 (0)40 83 71 150
76
4
F42 Brake resistor overtemperature
F42 displayed.
Check logged
data in
fault history.
Is it possible to slow
down the process?
NOTE:
This fault code can appear only when internal
brake resistor and internal brake chopper is used.
Software
has detected too
high temperature
on internal
brake resistor.
Increase decceleration
time and start again.
Install properly
dimensioned, external
external brake resistor and
make parameter changes.
F42 again?
Wrong parameter
setting.
NO
NO
YES
Fault occurred due
to
wrong dimensioning
of brake resistor.
YES
YES
FIGURE 35. Fault code F42

Vacon NX Specifications

General

Product Type	AC Drive
Control Method	Scalar Control
Enclosure	IP00, IP21
Communication	Ethernet
Safety	STO (Safe Torque Off)
Protection Features	Overcurrent, Overvoltage, Undervoltage, Overtemperature, Short Circuit
Ambient Temperature Range	-10°C to +50°C (with derating above +40°C)
Cooling Method	Air-cooled, Liquid-cooled