Diagnostics and Troubleshooting CDHD
260 User Manual
J4 Com m ut a tion Error ( Motor Runa w ay) Con dit ion D et e cte d
J4 Displayed in sequence
D e finit ion Com m utation Error ( Mot or Runaway) Condition Detected
Type Fault
Act ive disa ble No
M e ssage # FLT 77
Descr iption
The motor moves in negative direction although the
comm anded current is positive. Comm utation is
incorrect.
(Algebraic signs of actual current, acceleration and
velocity do not m atch.)
This fault disables the drive.
Action required
Correct MPHASE setting. Activate and im prove the phase
find process.
J5 Se condar y Fee dback Position Mism a t ch
J5 Displayed in sequence
D e finit ion Secondary Feedback Position Mismatch
Type Fault
Act ive disa ble Yes
M e ssage # FLT 90
Descr iption Position deviation between m otor and load is t oo great.
This fault disables the drive.
Action required
Increase SFBPETHRESH, SFBPETI ME, SFBPEMAX, or
im prove position tuning.
L1 H ardw are Posit ive Lim it Sw itch is Ope n
L1 Displayed in sequence
D e finit ion Hardware Posit ive Lim it Switch is Open
Type Warning
Act ive disa ble Not Applicable
M e ssage # WRN 15
Descr iption Positive hardware lim it switch is activated.
Action required
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