Information For Contacting Technical Support; Preventive Maintenance - WEG CFW701 Manual Del Usuario

Troubleshooting and Maintenance
Problem
Off display Keypad
connections
Power supply
voltage
Mains supply fuses
open
Motor does not Settings
operate in the field
weakning region
(Vector Control)

6.3 INFORMATION FOR CONTACTING TECHNICAL SUPPORT

For technical support and servicing, it is important to have the following information in hand:
Inverter model.
„
Serial number and manufacturing date available on the identification label of the product (refer
„
to section 2.5 IDENTIFICATION LABELS on page 7
Installed software version (check parameter P0023).
„
Application data and inverter settings.
„

6.4 PREVENTIVE MAINTENANCE

DANGER!
Always turn off the mains power supply before touching any electrical
component associated to the inverter.
High voltage may still be present even after disconnecting the power supply.
To prevent electric shock, wait at least 10 minutes after turning off the input
power for the complete discharge of the power capacitors.
Always connect the equipment frame to the protective ground (PE). Use the
adequate connection terminal at the inverter.
32 | CFW701
Point to be
Verified
1. Check the inverter keypad connection.
1. Rated values shall be within the limits specified below:
200...240 V power supply: (Frame sizes A to D) Minimum:
170 V; Maximum: 264 V.
220 / 230 V power supply: (Frame size E) Minimum: 187 V;
Maximum: 253 V.
380...480 V power supply: Minimum: 323 V;
Maximum: 528 V.
500...600 V power supply: Minimum: 425 V;
Maximum: 660 V.
1. Replace fuses.
1. Decrease P0180.
Corrective Action
and the Figure A.2 on page 139).