Diagnostics; Service Led - Toshiba TOSVERT VF-FS1 Series Function Manual

2.2. Diagnostics

2.2.1. Service LED

Service LED indicates the node condition.
1
2
3
4
5
6
Power 1
ON
No
Although the inverter is turned
1
on, LED remains OFF.
LED continues to be ON after
2
the inverter is turned on.
LED is ON then OFF when
3 the inverter is turned on, and
it continues to be ON.
4 LED flashes every 0.5 second.
5 LED flashes every 1 second.
LED momentarily turns ON
6
then continues to be OFF.
Flicker of LED
-
(Approximately 10Hz to 30Hz)
LED turns ON while holding
-
down service switch.
The phone numbers for a service call are listed on the back cover of the inverter instruction manual or
on its catalog.
2 3 4
LED ON LED OFF
Phenomenon
Continues to be OFF
Continues to be ON
Momentarily OFF then continues to be ON
Repeats ON and OFF
Repeats ON and OFF
Continues to be OFF
Time (second)
5
Problem & Solutions
Check the connection between the inverter and the
L W option unit. If abnormality is not found after
ON ORKS
checking, it needs to be repaired.
Internal application program is abnormal.
If the same indication appears after resetting the power, it
needs to be repaired.
This is a normal action of the "Unconfigured" device. If the
device is not "Unconfigured", Internal application program
is broken. It needs to be repaired.
When the program is in the condition of "Configures"
status, LED momentarily turns ON when the inverter is
turned on. Then the LED continues to be OFF for some
seconds. The node indicates "Configured" status that
means the normal condition.
CPU is abnormal. It needs to be repaired.
This is normal action while holding down service switch.
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E6581373