Invt CHV190-220G-4 Инструкция по эксплуатации онлайн [146/242] 471545

Invt CHV190-5R5G-4 Инструкция по эксплуатации онлайн [146/242] 471528
CHV190 series special inverter for crane
- 145 -
buffer resistor. If the light is on, the fault may be lies in the switching power supply. Please
ask for support.
Power supply air switch trips off when power on:
Inspect whether the input power supply is grounded or short circuit. Please solve the
problem.
Inspect whether the rectify bridge has been burnt or not. If it is damaged, ask for
support.
Motor doesnt move after inverter running:
Inspect if there is balanced three-phase output among U, V, W. If yes, then motor could
be damaged, or mechanically locked. Please solve it.
If the output is unbalanced or lost, the inverter drive board or the output module may be
damaged, ask for support.
Inverter displays normally when power on, but switch at the input side trips when
running:
Inspect whether the output side of inverter is short circuit. If yes, ask for support.
Inspect whether ground fault exists. If yes, solve it.
If trip happens occasionally and the distance between motor and inverter is too far, it is
recommended to install output AC reactor.

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