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362
YASKAWA
SIEPC71061723A YASKAWA AC Drive CR700 Technical Manual
Code
Name
Causes
Possible Solutions
The relay or contactor on the soft-charge bypass
relay is damaged.
Examine the soft-charge bypass relay maintenance time in
monitor
U4-06 [PreChargeRelayMainte]
. If
U4-06
is more than
90%, replace the control board or the drive. For more information
about replacing the control board, contact Yaskawa or your
nearest sales representative.
Note:
•
The drive detects this error if the DC bus voltage decreases below the level set in
L2-05 [Undervoltage Detection Lvl (Uv1)]
while the drive is running.
•
The
Uv1
detection level is approximately 190 V for a 200 V class drives. The detection level is approximately 380 V with 400 V class drives. The detection level is
approximately 350 V when
E1-01 [Input AC Supply Voltage]
is set lower than 400.
•
Do a Fault Reset to clear the fault.
•
Fault trace is not available for this fault.
Code
Name
Causes
Possible Solutions
Uv2
Control Power Undervoltage
A drive hardware problem occurred.
•
Re-energize the drive and check if the fault still remains.
•
Replace the control board or the entire drive if the fault
continues. Contact Yaskawa or your nearest sales
representative for instructions on replacing the control board.
Note:
•
Detected if the control power supply voltage has dropped.
•
Perform Fault Reset to clear the fault.
•
Fault tracing cannot be executed.
Code
Name
Causes
Possible Solutions
Uv3
Soft Charge Answerback Fault
The relay or contactor on the soft-charge bypass
relay is damaged.
•
Re-energize the drive.
•
If the fault stays, replace the control board or the drive.
•
Check monitor
U4-06 [PreChargeRelayMainte]
shows the
performance life of the soft-charge bypass relay. If
U4-06
is
more than 90%, replace the board or the drive. For information
about replacing the control board, contact Yaskawa or your
nearest sales representative.
Note:
•
Do a Fault Reset to clear the fault.
•
Fault trace is not available for these faults.
Содержание CR700
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Страница 2: ...This Page Intentionally Blank 2 YASKAWA SIEPC71061723A YASKAWA AC Drive CR700 Technical Manual ...
Страница 244: ...3 13 Test Run Checklist 244 YASKAWA SIEPC71061723A YASKAWA AC Drive CR700 Technical Manual ...
Страница 422: ...7 7 Storage Guidelines 422 YASKAWA SIEPC71061723A YASKAWA AC Drive CR700 Technical Manual ...
Страница 426: ...8 2 Disposal Instructions 426 YASKAWA SIEPC71061723A YASKAWA AC Drive CR700 Technical Manual ...
Страница 837: ...EZZ023535 2 35 1 Revision History Revision Revised Content Date First Edition 2017 08 ...
Страница 872: ...EZZ023536 2 16 Revision History Revision Revised Content Date First Edition 2017 08 ...