![ista Breeze FKJ-B(PWM)-1KW48Vdc User Manual Download Page 11](http://html1.mh-extra.com/html/ista-breeze/fkj-b-pwm-1kw48vdc/fkj-b-pwm-1kw48vdc_user-manual_2094169011.webp)
11
Failure Analysis
1.
When the wind turbine is running normally but the controller makes the repeated
pi-pa noises (or the wind turbine can not work), the wind turbine shall be turn off
immediately to check whether the fuse is blown, the battery is connected well or the
battery is damaged.
2. After the battery is connected, but the wind turbine can not work and there is no
indicator, check whether the charging fuse is blown, the battery is connected well,
the electrode is misconnected or the battery is damaged.
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Box diagram