Resetting Alarms - YASKAWA SGD7S-xxxDA0 series Product Manual

16.2 Alarm Displays

16.2.3 Resetting Alarms

Alarm Code:
Alarm Name
CPF00:
Digital Operator
Communications
Error 1
CPF01:
Digital Operator
Communications
Error 2
*1.
Detection Conditions
• Rotary Servomotor
If either of the following conditions is detected, an alarm will occur.
Pn533 [min
Maximum motor speed [min
• Linear Servomotor
If either of the following conditions is detected, an alarm will occur.
*2.
Refer to the catalog for details.
*3.
These alarms are not stored in the alarm history. They are only displayed on the panel display.
16.2.3 Resetting Alarms
If there is an ALM (Servo Alarm) signal, use one of the following methods to reset the alarm
after eliminating the cause of the alarm.
Important
Clearing Alarms and Warnings with the Fault Reset Com-
mand
Execute the Fault Reset command to clear alarms or warnings.
Refer to the following section for details on the Fault Reset command.

Resetting Alarms Using the Digital Operator
Press the ALARM RESET Key on the Digital Operator. Refer to the following manual for details
on resetting alarms.
Σ-7-Series Digital Operator Operating Manual (Manual No.: SIEP S800001 33)
16-42
Possible Cause
There is a faulty con-
tact between the Digi-
tal Operator and the
SERVOPACK.
A malfunction was
caused by noise.
A failure occurred in
the Digital Operator.
A failure occurred in
the SERVOPACK.
Encoder resolution
] 
-1
6 10
5
Encoder resolution
] 
-1
Approx. 3.66  10
Pn585 [mm/s]
Linear encoder pitch [m]
Pn385 [100 mm/s]
Linear encoder pitch [m]
Be sure to eliminate the cause of an alarm before you reset the alarm.
If you reset the alarm and continue operation without eliminating the cause of the alarm, it may
result in damage to the equipment or fire.
Controlword Bits on page 15-21
Confirmation
Check the connector
contact.
–
–
–
1
1
12
Resolution of Serial Converter Unit

10
Resolution of Serial Converter Unit

Approx. 6.10 10
5
Continued from previous page.
Correction
Disconnect the connec-
tor and insert it again. Or,
replace the cable.
Keep the Digital Operator
or the cable away from
sources of noise.
Disconnect the Digital
Operator and then connect
it again. If an alarm still
occurs, the Digital Opera-
tor may be faulty. Replace
the Digital Operator.
Turn the power supply to
the SERVOPACK OFF and
ON again. If an alarm still
occurs, the SERVOPACK
may be faulty. Replace the
SERVOPACK.
1
1
Reference
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