Alarm Status; List Of Alarms - Sanken SVCO6 Instruction Manual

8-4

Alarm Status

8-4 Alarm Status

The alarm status occurs when the protection function stops the inverter.

During alarm status, all values on the display (Hz, A, rpm, %, M) flash indicating the alarm status.

When Status Display mode is selected, details of the alarm are indicated on the 7-segment display. If the
Status Display mode is not selected, details of the alarm are indicated on the 7-segment display if the alarm
status continues after the Status Display mode is resumed. Details of the alarm cannot be deleted.
8-4-1

List of Alarms

7-segment Alarm description
monitor
display
Memory abnormality
System abnormality
System abnormality
System abnormality
System abnormality
Overload prevention
during acceleration
Overload prevention
during constant speed
Overload prevention
during deceleration
External thermal alarm
Table 8-4-1 List of alarms
Check points
Turn off the power and wait until
the CHARGE lamp turns off, turn
the power on again and check the
alarm.
Excessive external noise?
Are signal and power lines
separated far enough?
Abrupt capacitor discharge? Turn
off the power so the CHARGE
lamp turns off, turn the power on
again and check the alarm.
Excessive external noise?
Are signal and power lines
separated far enough?
Abrupt capacitor discharge? Turn
off the power so the CHARGE
lamp turns off, turn the power on
again and check the alarm.
Setting for output current limiting
function (F1701) too small?
Motor overheated?
Function settings are correct?
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Actions
Contact your supplier.
Install a noise collector or filter
Keep the signal line far away from the
power line
Reconfirm the modified code data. Turn the
power on and off several times. If the alarm
cannot be cancelled, reset the system using
F1604=1 and then turn the power off and on
again. All the function data is initialized to
the factory presets.
Install a noise collector or filter
Keep the signal line far away from the
power line
Contact your supplier.
Increase the setting value of F1701
Prolong acceleration and deceleration time
Reduce the load
Re-set the function codes correctly (F1413)