Motor Does Not Operate When An External Run Command Is Input; Motor Stops During Acceleration Or When A Load Is Connected - YASKAWA V1000 Series Installation & Start-Up Manual

5.9 Troubleshooting without Fault Display
Pressed
Cause
The LOCAL/REMOTE mode is not
selected properly.
The drive is not in drive mode.
The frequency reference is too low.

Motor Does Not Operate When an External Run Command is Input

■
Cause
The LOCAL/REMOTE mode is not
selected properly.
The drive is not in Drive Mode.
The frequency reference is too low.

Motor Stops During Acceleration or When a Load is Connected

■
Cause
• The load is too heavy.
• The limit of motor response may be
reached during rapid acceleration. This
may be a result of improper stall
prevention or automatic torque boost
function adjustment. (L3-01 = 2)
Motor Rotates in One Direction Only
■
Cause
"Reverse run prohibited" is selected. If
b1-04 (Reverse Prohibit Operation) is set
to 1 (reverse run prohibited), the drive
will not accept a reverse run command.
240
Press the LOCAL/REMOTE button to switch. The LO/RE LED should be
on for LOCAL mode.
A run command will not be issued. Exit to the drive mode and cycle the
run command.
• If the frequency reference is set below the frequency set in E1-09
(Minimum Output Frequency), the drive will not operate.
• Raise the frequency reference to at least the minimum output frequency.
Press the LOCAL/REMOTE button to switch. The LO/RE LED should be
off for REMOTE mode.
A run command will not be issued. Exit to the Drive mode and cycle the
run command.
• If the frequency reference is set below the frequency set in E1-09
(Minimum Output Frequency), the drive will not operate.
• Raise the frequency reference to at least the minimum output frequency.
Increase the acceleration time (C1-01) or reduce the motor load. Also,
consider increasing the motor size and/or drive size.
Set b1-04 = "0" to allow reverse run operation.
YASKAWA ELECTRIC TOEP C710606 09B YASKAWA AC Drive V1000 Installation & Start-Up Manual
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