Information For Contacting Technical Support - WEG CFW700 Serie Manual Del Usuario

Problem
Off display Keypad
connections
Power supply
voltage
Mains supply fuses
open
Motor does not Settings
operate in the field
weakning region
(Vector Control)
Low motor speed and Encoder signals
P0009 = P0169 or are inverted or
P0170 (motor operating power connection
with torque limitation), is inverted
for P0202 = 5 - vector
Encoder cable is
with encoder
broken

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 8
Installed software version (check parameter P0023).
„
Application data and inverter settings.
„
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.
1. Check the signals A - A, B - B , refer to
21. If signals are properly installed, exchange two of the
output phases. For instance U and V.
1. Replace the cable.
Troubleshooting and Maintenance
Corrective Action
Figura 3.6 on page
and the Figure A.2 on page 208).
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