YASKAWA U1000 Series - ALARM (ALM) LED Displays

4.2 Using the Digital Operator
YASKAWA ELECTRIC SIEP C710636 02B YASKAWA U1000 Technical Manual 135
Start-Up Programming & Operation
4
◆ ALARM (ALM) LED Displays
Table 4.2 ALARM (ALM) LED Status and Contents
◆ LO/RE LED and RUN LED Indications
Table 4.3 LO/RE LED and RUN LED Indications
Figure 4.3
Figure 4.3 RUN LED Status and Meaning
Figure 4.4
Figure 4.4 RUN LED and Drive Operation
State Content Display
Illuminated When the drive detects a fault.
Flashing
• When an alarm occurs.
• When oPE is detected.
• When a fault or error occurs during Auto-Tuning.
Off Normal operation (no fault or alarm).
LED Lit Flashing Flashing Quickly <1>
<1> Refer to Figure 4.3 for the difference between “flashing” and “flashing quickly”.
Off
When source of the Run command
is assigned to the digital operator
(LOCAL)
––
Run command to be given from a device other
than the digital operator (REMOTE)
During run
• During deceleration to stop
• When a Run command is input and
frequency reference is 0 Hz
• While the drive is set for LOCAL, a
Run command was entered to the
input terminals after which the drive
was then switched to REMOTE.
• A Run command was entered via the
input terminals while not in the
Drive Mode.
• During deceleration when a Fast
Stop command was entered.
• The drive output is shut off by the
Safe Disable function.
• While the drive was running in the
REMOTE mode, the STOP key was
pushed.
• The drive was powered up with
b1-17 = 0 (default) while the Run
command is active.
During stop
Examples
Flashing
ON ON
ON
ON ON
ON
1 s
Flashing
quickly
/
Drive output frequency
during stop
Frequency setting
OFF
ON
Flashing
OFF
OFF
RUN LED
RUN
0 Hz
6 Hz
RUN
STOP
STOP
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