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Troubleshooting
150
Name
Description
Possible Causes & Corrective Action
Z MARKER
LOST
[F62]
This fault is declared when the drive
expects to see a signal from the Z
channel of the encoder within a
window but it doesn’t during an Open-
Loop Alignment.
Phasing Problem
– Incremental PM
Swap two encoder leads (e.g. A and
–A)
to establish proper phasing or swap two
motor leads (e.g. U and V)
Encoder Problem
Check encoder coupling: align or replace
Check encoder wiring
Encoder failure (replace encoder and
REALIGN the rotor)
Option board failure (replace option
board).
Z-pulse channel not working correctly
Содержание HPV 900 Series 2
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