Information For Contacting Technical Support; Preventive Maintenance - WEG CFW700 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 Encoder signals
and P0009 = P0169 are inverted or
or P0170 (motor power connection
operating with is inverted
torque limitation), for
Encoder cable is
P0202 = 5 - vector
broken
with encoder

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.
„

6.4 PREVENTIVE MAINTENANCE

DANGER!
Always disconnect the general power supply before touching any electric
component associated to the inverter.
High voltages can be present even after the disconnection of the power supply.
Wait for at least 10 minutes for the complete discharge of the power capacitors.
Always connect the frame of the equipment to the protective earth (PE) at the
proper point.
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
and the Figure A.2 on page
Figure 3.6 on page
202).
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