Troubleshooting; Fault - YASKAWA CR700 Quick Start Manual

No.
Name
(Hex.)
H4-04 Terminal AM Analog Output
Select
(0420)
H4-05 Terminal AM Analog Output
Gain
(0421)
RUN
H4-06 Terminal AM Analog Output Bias Sets the bias of the Ux-xx monitor signal set in H4-04 [terminals AM Monitor Selection].
(0422)
RUN
H4-07 Terminal FM Signal Level Select
(0423)
H4-08 Terminal AM Signal Level Select Sets the MFAO terminal AM output signal level.
(0424)
L1-01 Motor Overload (oL1) Protection
(0480)
L1-02 Motor Overload Protection Time
(0481)
L3-04 Stall Prevention during Decel
(0492)
S1-54 Brake Sequence Selection
(06FD)
13

Troubleshooting

If the drive or motor do not operate correctly, look at the drive keypad for fault and alarm information.
• For drive faults:
– The keypad shows the fault code.
–
and ALM/ERR on the LED Status Ring illuminate continuously.
– The drive shuts off output and the fault relay output activates. The motor coasts to stop.
• For drive alarms:
– The keypad shows the alarm code.
–
and ALM/ERR on the LED Status Ring flash.
– Usually, the drive will continue to operate the motor. Some alarms let you select a motor stopping method.
◆
Fault Reset
1. Remove the cause of the fault or alarm.
2. While the keypad is showing the fault or alarm code, push
This table lists the most frequent faults and alarms with possible causes and solutions.
Refer to the Technical Manual for a full list of faults and alarms.
◆

Fault

This section gives information about some of the causes and possible solutions of faults. You must use the Fault
Reset operation to remove the fault before you can operate the drive. Use the information in this table to remove
the cause of the fault.
YASKAWA TOEPC71061723A YASKAWA AC Drive CR700 Quick Start Guide
Sets the monitoring number to be output from the MFAO terminal AM.
Sets the gain of the Ux-xx monitor signal set in H4-04 [terminals AM Monitor Selection].
Sets the MFAO terminal FM output signal level.
0: 0-10V (Lower Limit at 0), 1: -10 to +10V (Bipolar Reference)
0: 0-10V (Lower Limit at 0), 1: -10 to +10V (Bipolar Reference)
Sets the motor overload protection with electronic thermal protectors.
0: Disable, 1: Variable Torque, 2: Constant Torque 10:1 Speed Range, 3: Constant Torque 100:1 SpeedRange,
6: Variable Torque (50Hz)
Sets the operation time for the electronic thermal protector of the drive to prevent damage to the motor. Usually it is
not necessary to change this setting.
Sets the method that the drive will use to prevent overvoltage faults when it decelerates.
0: Disable, 1: General Purpose, 2: Intelligent (Ignore Accel Ramp), 3: General Purpose w/ DB resistor,
4: Overexcitation/High Flux 1, 5: Overexcitation/High Flux 2
Enables and disables operation toward a brake sequence.
0: Disable, 1: Enabled
13 Troubleshooting
Description
(RESET) or on the keypad.
EN
59