Troubleshooting and Maintenance
English
ATTENTION!
The electronic boards have electrostatic discharge sensitive components.
Do not touch the components or connectors directly. If necessary, first touch the
grounded metallic frame or wear a ground strap.
Do not perform any withstand voltage test: if necessary, consult WEG.
The inverters require low maintenance when properly installed and operated.
Table 6.2 on page 36 presents the main procedures and time intervals for preventive maintenance.
Table 6.3 on page 37 provides recommended periodic inspections to be performed every 6
months after the inverter start-up.
Table 6.2: Preventive maintenance
Maintenance Interval Instructions
Fan replacement After 40000 operating hours. Replacement
Electrolytic
capacitors
If the inverter
is stocked
(not being
used):
“Reforming”
Every year from the manufacturing
date printed on the inverter
identification label (refer to section
2.5 RECEIVING AND STORAGE
on page 13).
Apply power to the inverter (voltage between
220 and 230 Vac, single-phase, 50 or 60 Hz) for
at least one hour. Then, disconnect the power
supply and wait at least 24 hours before using
the inverter (reapply power).
Inverter is
being used:
replace
Every 10 years.
Contact WEG technical support to obtain
replacement procedures.
Buy: www.ValinOnline.com | Phone 844-385-3099 | Email: CustomerService@valin.com
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