Sanken SVCO6, Instruction Manual, Page: 298 / 326

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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
Table 8-4-1 List of alarms
7-segment
monitor
display
Alarm description Check points Actions
Memory abnormality Turn off the power and wait until
the CHARGE lamp turns off, turn
the power on again and check the
alarm. Contact your supplier.
System abnormality Excessive external noise?
Are signal and power lines
separated far enough? Install a noise collector or filter
Keep the signal line far away from the
power line
System abnormality Abrupt capacitor discharge? Turn
off the power so the CHARGE
lamp turns off, turn the power on
again and check the alarm. 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.
System abnormality Excessive external noise?
Are signal and power lines
separated far enough? Install a noise collector or filter
Keep the signal line far away from the
power line
System abnormality Abrupt capacitor discharge? Turn
off the power so the CHARGE
lamp turns off, turn the power on
again and check the alarm. Contact your supplier.
Overload prevention
during acceleration Setting for output current limiting
function (F1701) too small? Increase the setting value of F1701
Prolong acceleration and deceleration time
Overload prevention
during constant speed
Overload prevention
during deceleration
External thermal alarm Motor overheated?
Function settings are correct? Reduce the load
Re-set the function codes correctly (F1413)