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

Table 6.1 (cont.): Solutions for the most frequent problems
Point to be
Problem
Verified
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 item 2.5 - Identification Labels and the figure A.2);
Installed software version (check parameter P0023);
Application data and inverter settings.
NOTE!
For information on preventive maintenance, cleaning instructions, removing
and installing the heatsink fan refer to the CFW700 Programming and
Troubleshooting manual.
Troubleshooting and Maintenance
Corrective Action
1. Check the inverter keypad connection.
1. Rated values shall be within the limits specified below:
200...240 V power supply: (Sizes A to D) Minimum: 170 V;
Maximum: 264 V;
220-230 V power supply: (Size E) Minimum: 187 V;
Maximum: 253 V;
380...480 V power supply: Minimum: 323 V; Maximum:
528 V.
1. Replace fuses.
1. Decrease P0180.
1. Check the signals A – A, B – B, refer to figure 3.6. If
signals are properly installed, exchange two of the output
phases. For instance U and V.
1. Replace the cable.
- English -
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