Faults; Operation Of Faults; Information Necessary For Contacting Technical; Support - WEG DBW04 Serie Manual Del Usuario

Faults

5 FAULTS
This chapter presents:
A lists of all the faults that may occur.
„
Instructions for periodic inspections and preventive maintenance on the equipment.
„

5.1 OPERATION OF FAULTS

When a fault is detected:
Blocking of the IGBT trigger pulses.
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The "Fault" LED and the digital outputs RL1 and RL2 behave as shown in
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Faults
Overcurrent fault
Overvoltage fault
Undervoltage fault
Fault of overtemperature on
the heatsink
Fault of overtemperature on
the resistor
Ground fault
The braking module, if properly supplied, goes back to normal operation shortly after the cause
of fault is cleared.
5.2 INFORMATION NECESSARY FOR CONTACTING TECHNICAL SUPPORT
NOTE!
For technical support and servicing, it is important to have the following
information in hand:
Braking module model.
„
Serial number and manufacturing date that are listed in the product
„
nameplate.
Data on the performed application and programming.
„
26 | DBW04
Table 5.1: Fault Indication
"Fault" LED Indication
ON
Turns ON and OFF once,
pauses for 1 second
Turns ON and OFF twice,
pauses for 1 second
Turns ON and OFF three times,
pauses for 1 second
Turns ON and OFF four times,
pauses for 1 second
Turns ON and OFF six times,
pauses for 1 second
Table 5.1 on page 26.
RL Outputs
RL1 RL2
ON OFF
ON OFF
ON OFF
ON OFF
ON OFF
OFF ON