Yaskawa CIMR-UU4A0216F [337/644] Fault detection

Yaskawa CIMR-UU4A0414A [337/644] Fault detection
Digital Operator Display Fault Name
Hardware is damaged.
Turn the power off and check the connection between the control board and the drive.
If the problem continues, replace either the control board or the entire drive. For instructions on
replacing the control board, contact Yaskawa or your nearest sales representative.
Digital Operator Display Fault Name
CPF25 Terminal Board Not Connected
Cause Possible Solution
Terminal board is not connected correctly Reconnect the terminal board to the connector on the drive, then cycle the power to the drive.
Digital Operator Display Fault Name
dEv
Speed Deviation (for Control Mode with PG)
The deviation between the speed detection value for the pulse input and the speed reference after speed
agreement was reached exceeded the setting value of F1-10 for the time set in F1-11 or longer when the
Operation Selection at Deviation was set to continue operation (F1-04 = 3).
Cause Possible Solution
The load is too heavy. Reduce the load.
Acceleration and deceleration times are set too
short.
Increase the acceleration and deceleration times (C1-01 through C1-08).
The load is locked up. Check the machine.
Parameters are not set appropriately. Check the settings of parameters F1-10 and F1-11.
The motor brake is engaged Ensure the motor brake releases properly.
The torque limit is small for the load.
Increase the setting values of L7-01 to L7-04, the value of the torque limit from the analog input, or the
value of the torque limit set from the communication option.
Digital Operator Display Fault Name
doH
Damping Resistor Overheat
The temperature of the built-in damping resistor exceeded the set value.
Cause Possible Solution
The capacity of the power supply is too
small.
The distortion in the power supply is too
large.
Increase the capacity of the power supply.
Lower the impedance of the input power supply wiring.
A phase loss occurred in the input power
supply.
Check the input power supply for phase loss or an imbalance in the interphase voltages.
Digital Operator Display Fault Name
dv1
Z Pulse Fault (CLV/PM control mode only)
The motor turned one full rotation without the Z Pulse being detected.
Cause Possible Solution
PG encoder is disconnected, improperly
wired, or the
PG option card or PG encoder are
damaged
Make sure the PG encoder is properly connected and all shielded lines are properly grounded.
If the problem continues after cycling power, replace the PG option card or the PG encoder.
Digital Operator Display Fault Name
dv2
Z Pulse Noise Fault Detection (CLV/PM control mode only)
The Z Pulse is out of phase by more than 5 degrees for 10 consecutive revolutions.
Cause Possible Solution
Noise interference along the PG cable Separate the PG cable lines from the source of the noise.
PG cable is not wired properly Rewire the PG encoder and properly ground all shielded lines.
PG option card or the PG encoder are damaged If the problem continues after cycling power, replace the PG option card or the PG encoder.
Digital Operator Display Fault Name
dv3
Inversion Detection (CLV/PM control mode only)
The torque reference and acceleration are in opposite directions and the speed reference and actual motor
speed differ by more than 30% for the number of times set to F1-18.
Cause Possible Solution
6.4 Fault Detection
YASKAWA ELECTRIC SIEP C710636 04C U1000 Industrial MATRIX Drive Technical Manual
337
6
Troubleshooting

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