Diagnostics and Troubleshooting CDHD
276 User Manual
r2 8 Re solve r I n it ia liza t ion Fa ile d
r28 Displayed in sequence
D e finit ion Resolver Initialization Failed
Type Fault
Act ive disa ble No
M e ssage # FLT 55
Descr iption
The drive could not detect the proper gain setting or
sampling point for the sine/ cosine signals.
This fault disables the drive.
Action required Check resolver wiring and gain value.
r2 9 M u lti- t u rn En code r Ba t t e ry Low Voltage
r29 Displayed in sequence
D e finit ion Absolute Mult i-t urn Encoder Bat tery Low Volt age Fault
Type Fault
Act ive disa ble No
M e ssage # FLT 56
Descr iption
The voltage level of the absolute multi-t urn encoder
backup battery has dropped below 3.0V.
This fault disables the drive.
Action required Replace the encoder battery.
I f battery power is cut off before the battery is replaced,
issue the com m and MTURNRESET to reset the m ulti-t urn
position after battery power is rest ored.
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