Omron RX - 2, Руководство пользователя

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12 Troubleshooting
12 - 32 High-function General-purpose Inverter RX2 Series User’s Manual
12-4 Troubleshooting
When there are failures or errors on operations, conduct the survey of the causes and take the appro-
priate measures.
Occurrence Estimated cause(s) Exemplar measures to be taken
LCD Operator
doesn’t turn ON
The power supply is not turned
ON.
• Check that the power supply which satisfies the
specification is turned ON.
• When different powers are supplied to the control
power supplies R0 and T0, and to P+ and P- termi-
nals, check that R0, T0, or 24V power supply is
turned ON.
LCD Operator is about to come
off. The issue will be solved by remounting the LCD Opera-
tor.
The J51 connector is discon-
nected.
The J51 connector supplies power to the control power
supplies R0 and T0 from the main power supplies R, S,
and T. Keep the connector connected if you do not sup-
ply power to the control power supply with a different
system.
• The power supply input path is
disconnected.
• 200V power is supplied to R0
and T0 for 400V class.
• The breaker or wires may be disconnected. You
need to re-examine the wiring.
• When different power is supplied to the control power
supplies R0 and T0, you also need to re-examine R0
and T0.
LCD Operator
doesn’t turn ON
LCD Operator is in the automatic
extinction mode.
• The screen is lit by pressing a key on the LCD Oper-
ator.
• The automatic extinction function can be disabled in
the LCD Operator system setting.
The brightness of LCD Operator
display is set to low.
The brightness of the display is adjustable by changing
the light control setting in the LCD Operator system
setting.
LCD Operator is about to come
off.
The issue will be solved by remounting the LCD Opera-
tor.
(Check the RJ45 connector.)
The liquid crystal has reached the
end of its life.
Replacement of the LCD Operator is required.