Service manual

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1 Safety information and use notice points
In order to ensure the safety of your personal and equipment, before using the
inverter, please read this chapter of contents conscientiously.
1.1 Safety precautions
There are three kinds of safe relevant warnings in this service manual, they
are as follows:
This symbol explains items that need to be paid attention to when being
operated.
This symbol is briefed on some useful information.
This symbol briefs on: If does not operate on request, may cause death,
severely injured or serious property loss.
note
!
!
(1) Forbid to connect U, V, W output end to AC power supply, otherwise cause the
complete damage of the inverter.
(2) Don't make P- and P + short-circuited, otherwise cause the inverter to be damaged.
(3) The inverter is forbidden to install on the flammables, otherwise have danger of fire.
(4) Don't install it in the environment with explosive gas, otherwise have danger of
causing explosion.
(5) After connecting main loop, should carry on insulating treatment to bare wiring end,
otherwise have danger of getting an electric shock.
(6) If being connected to the power supply, don't operate the inverter with moist hands,
otherwise have danger of getting an electric shock.
(7) The ground terminal of the inverter must be grounded well.
(8) Inverter being connected to power supply, please don't open cover and carry on
wiring, can connect the wire or check only after closing power for10 minutes.
(9) Only qualified personnel may carry on wiring and forbid leaving over any
conductive thing in machine, otherwise have danger of getting an electric shock or
causing damage of the inverter.
(10) Inverter stored for over 2 years, should be stepped up gradually with voltage
regulator first while having the electricity, otherwise have danger of getting
electric shock and explosion.
!
Forbid user directly power off when the inverter is under running, accelerating o
r
decelerating, must only ensure that the drive has been completely shut down or in
standby situation can perform power off operation. Otherwise, the users themselves
afford the damage of the inverter, equipment damage and personal accident.
!