Omron RX - 2, Руководство пользователя

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12 Troubleshooting
High-function General-purpose Inverter RX2 Series User’s Manual
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12
A limit function is at
work.
The operation permission signal
has been assigned to the input
terminal function and the signal is
turned OFF.
When the operation permission signal has been
assigned, the operation permission signal needs to be
turned ON.
The command is given to the
direction the operation is limited.
Check the operation command direction limit.
Both [FW] terminal and [RV] ter-
minals are turned ON by opera-
tion command from input
terminal.
If both [FW] terminal and [RV] terminal are turned ON,
input inconsistency is generated and the inverter stops.
Use only either one of them to operate the inverter.
Motor speed
doesn’t rise.
The overload limit function is at
work.
• The overload limit function suppresses the current by
dropping the frequency when the output current
exceeds the overload limit level.
• Raising the setting level may improve the situation.
The frequency command is lim-
ited.
If the upper limiter and the maximum frequency is set
to low level, the situation will be improved by setting
them to higher level. To limit frequencies, use the upper
limiter function instead of the maximum frequency.
The frequency command is low.
The command becomes lower when a more prioritized
frequency command such as for jogging or multi-speed
command is entered. Re-examination of the terminal
function and frequency command destination are
required.
Acceleration time is long.
If the acceleration time is set long, acceleration
becomes slow. Set the acceleration time short.
The parameter you
are looking for is
not shown.
The display limit has been set.
Display limit function may be working. Cancel the dis-
play limit selection [UA-10].
The display is fixed.
Operation on the LCD Operator isn’t accepted if the
input terminal function 102 [DISP] is ON. Turn OFF the
terminal.
Keypad operator
cannot be oper-
ated.
The display is fixed.
Operation on the LCD Operator isn’t accepted if the
input terminal function 102 [DISP] is ON. Turn OFF the
terminal.
Setting cannot be
made.
Inverter is running.
Some parameters cannot be changed while the
inverter is running. If that is the case, turn OFF the
inverter once.
Occurrence Estimated cause(s) Exemplar measures to be taken