User Manual
EM303A General Purpose Inverter
129
10.4 Periodic Maintenance and Replacement of Parts
In order to keep the inverter operating normally over a long period of time, periodic
maintenance and replacement are required for the internal parts according to their
service lives. Periodic maintenance standards vary from the inverter’s service
environment and applications. See Table 10-2 for the part replacement guidelines.
Table 10-2 Part Replacement Guidelines
Parts Standard Replacement Period
Cooling Fan 2～3 Years
Electrolytic Capacitor 4～5 Years
PCBA 5～8 Years
The standard replacement period is based on the following application conditions:
z Ambient temperature: Yearly average of 30℃
z Load factor: 80% maximum
z Operation rate: 12 hours maximum per day
10.5 Outline of Warranty
SINEE will provide warranty service under following circumstances:
1
． Warranty is only for inverter.
2
． Authorized distributors of SINEE will take responsibilities for local services
within 12 months warranty period.
3
． There is a maintenance charge for any following damage occurred in 12
months.
z Due to improper operation.
z Due to unauthorized installation environment.
z Due to floods, fires, or abnormal voltage fluctuations.
z Due to the incorrect wiring.
z Due to unauthorized modifying or altering.
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