W21 Magnet Drive System
®
| 13
Quick Guide
E.ECF
Extend
card
connection
fault
●
Communication between
extend card and frequency
inverter overtime.
●
Extended card does not ma-
tch with frequency inverter.
●
Check connector, and re-insert
wire.
●
Choose the named card.
E.PG
PG card
connection
abnormal
●
PG card and inverter con-
nection failure
●
Check the connection
E.PID
PID feed-
back failure
●
PID feedback upper limit
of disconnection alarm is
improper
●
PID feedback lower limit
of disconnection alarm is
improper
●
PID feedback wiring unrelia-
ble
●
Sensor with feedback failure
●
Feedback input loop failure
●
Confirm the sensor state, if
broken, change it.
●
Repair the wiring.
●
Confirm the setting value of
[Fb.16] and [Fb.17].
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