CDHD Diagnostics and Troubleshooting
User Manual 243
b1 PLL Synchroniza tion Failed
b1 Displayed in sequence
D e finit ion PLL (Phase-Locked Loop) Synchronization Failed
Type Fault
Act ive disa ble No
M e ssage # FLT 48
Descr iption
Controller synchronization signal is missing or not stable.
The fault is detected only when synchronization is
enabled by SYNCSOURCE command.
This fault disables the drive.
Action required
Check for controller synchronization signal. Check the
cable connection and wiring.
c Regen Resist or Ove r load
c Lit steadily
D e finit ion Regen Resist or Overload
Type Warning
Act ive disa ble Not Applicable
M e ssage # WRN 34
Descr iption Regeneration resist or is overloaded.
Action required
C1 CAN Heart beat Lost
C1 Displayed in sequence
D e finit ion CAN Heart beat Lost
Type Fault
Act ive disa ble Yes
M e ssage # FLT 50
Descr iption
Drive detected disconnection between CAN master and
drive.
This fault disables the drive.
Action required Reconnect master and slave, and power cycle the drive.
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