508
YASKAWA
SIEPYAIH6B01A HV600 AC Drive Bypass Technical Reference
Code
Name
Causes
Possible Solutions
TrPC
IGBT Maintenance Time (90%)
The IGBT is at 90% of its performance life estimate.
Replace the IGBT or the drive. For more information, contact
Yaskawa or your nearest sales representative.
Note:
If the drive detects this error, the terminal set to
H2-01 to H2-03 = 10 [MFDO Function Selection = Alarm]
will activate.
Code
Name
Causes
Possible Solutions
UL3
Undertorque Detection 1
A fault occurred on the machine.
Example: There is a broken pulley belt.
Examine the machine and remove the cause of the fault.
The parameters are incorrect for the load.
Adjust
L6-02 [Torque Detection Level 1]
and
L6-03 [Torque
Detection Time 1]
settings.
Note:
•
The drive detects this error if the drive output current is less than the level set in
L6-02
for longer than
L6-03
.
•
If the drive detects this error, the terminal set to
H2-01 to H2-03 = 10 [MFDO Function Selection = Alarm]
will activate.
•
If the drive detects this error, it will operate the motor as specified by the Stopping Method set in
L6-01 [Torque Detection Selection 1]
.
Code
Name
Causes
Possible Solutions
UL4
Undertorque Detection 2
A fault occurred on the machine.
Example: There is a broken pulley belt.
Examine the machine and remove the cause of the fault.
The parameters are incorrect for the load.
Adjust
L6-05 [Torque Detection Level 2]
and
L6-06 [Torque
Detection Time 2]
settings.
Note:
•
The drive detects this error if the drive output current is less than the level set in
L6-05
for longer than
L6-06
.
•
If detected, the terminal set to
H2-01 to H2-03 = 10 [MFDO Function Selection = Alarm]
will activate.
•
If the drive detects this error, it will operate the motor as specified by the Stopping Method set in
L6-04 [Torque Detection Selection 2]
.
Code
Name
Causes
Possible Solutions
UL6
Underload or Belt Break Detected
The output current decreased less than the motor
underload curve set in
L6-14 [Motor Underload Level
@ Min Freq]
for longer than the time set in
L6-03
[Torque Detection Time 1]
.
The belt has broken disconnecting the motor from the
load.
Examine parameters
L6-13 [Motor Underload Curve Select]
and
L6-14
.
Note:
If the drive detects this error, the terminal set to
H2-01 to H2-03 = 10 [MFDO Function Selection = Alarm]
will activate.
Code
Name
Causes
Possible Solutions
Uv
Undervoltage
The drive input power voltage is changing too much.
•
Examine the input power for problems.
•
Make the drive input power stable.
•
If the input power supply is good, examine the magnetic
contactor on the main circuit side for problems.
There is a phase loss in the drive input power.
Correct errors with the wiring for main circuit drive input power.
There is loose wiring in the drive input power
terminals.
Tighten the terminal screws to the correct tightening torque.
There was a loss of power.
Use a better power supply.
The main circuit capacitors have become
unserviceable.
Examine the capacitor maintenance time in monitor
U4-05
[CapacitorMaintenance]
. If
U4-05
is more than 90%, replace the
control board or the drive. For information about replacing the
control board, contact Yaskawa or your nearest sales representative.
The drive input power transformer is too small and
voltage drops when the power is switched on.
•
Check for an alarm when a molded-case circuit breaker, Leakage
Breaker (ELCB or GFCI) (with overcurrent protective function),
or magnetic contactor is ON.
•
Check the capacity of the drive power supply transformer.
Air inside the drive is too hot.
Check the ambient temperature of the drive.
The Charge LED is broken.
Replace the control board or the entire drive. For information about
replacing the control board, contact Yaskawa or your nearest sales
representative.
Note:
•
The drive detects this error if one of these conditions is correct when the Run command has not been input (while the drive is stopped).
–
The DC bus voltage <
L2-05 [Undervoltage Detection Lvl (Uv1)]
.
–
The Contactor that prevents inrush current in the drive was opened.
–
There is low voltage in the control drive input power.
•
If the drive detects this error, the terminal set to
H2-01 to H2-03 = 10 [MFDO Function Selection = Alarm]
will activate.
Code
Name
Causes
Possible Solutions
VBRATION
Vibration Detected
The bypass detected a Vibration condition.
•
Check the digital input programmed for Vibration Switch (Z2-0x
= 43).
•
Check the connected device for continuity.
•
Check Bypass Digital Input Invert Settings in Z2-09 to Z2-16.
Содержание HV600
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Страница 454: ...5 14 Z Bypass Parameters 454 YASKAWA SIEPYAIH6B01A HV600 AC Drive Bypass Technical Reference...
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