CFW701 | 33
Troubleshooting and Maintenance
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lis
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Problem
Point to be
Verified
Corrective Action
Off display
Keypad
connections
1. Check the inverter keypad connection.
Power supply
voltage
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.
Mains supply fuses
open
1. Replace fuses.
Motor does not
operate in the field
weakning region
(Vector Control)
Settings
1. Decrease P0180.
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
and the
).
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.
