11 Appendix
Installation manual PMCprimo Drive2
Page 95
Fault possible causes Measures to remove the cause of the
fault
message:
feedback unit
— feedback connector not properly inserted
— feedback cable is broken, crushed or
otherwise damaged
— check connector
— check cable
message:
internal temperature
— permissible internal temperature exceeded — improve ventilation
message
motor temperature
— motor thermostat has been activated
— feedback connector is loose or break
— wait until motor has cooled down,
then check why it became so hot
— tighten connector or use new
feedback cable
motor does not
rotate
— PMCprimo Drive2 not enabled
— break in setpoint cable
— motor phases swapped
— brake not released
— drive is mechanically blocked
— no. of motor poles set incorrectly
— feedback set up incorrectly
— apply enable signal
— check setpoint cable
— correct motor phase sequence
— check brake control
— check mechanism
— set no. of motor poles
— set up feedback correctly
motor runs away
(overspeed)
— motor phases swapped
— feedback set up incorrectly
— correct motor phase sequence
— set up correct offset angle
motor oscillates — gain too high (speed controller)
— shielding in feedback cable has a break
— AGND not wired up
— reduce Kp (speed controller)
— replace feedback cable
— join AGND to CNC-GND
drive reports
following error
— Irms or. Ipeak is set to high
— setpoint ramp is too long
— increase Irms or. Ipeak (keep within
motor data !)
— shorten setpoint ramp +/-
motor overheating — Irms/Ipeak is set to high — Ireduce rms/Ipeak
drive too soft — Kp (speed controller) too low
— Tn (speed controller) too high
— PID-T2 too high
— T-Tacho too high
— increase Kp (speed controller)
— use motor default value for Tn
(speed controller)
— reduce PID-T2
— reduce T-Tacho
drive runs roughly — Kp (speed controller) too high
— Tn (speed controller) too low
— PID-T2 too low
— T-Tacho too low
— reduce Kp (speed controller)
— use motor default value for Tn
(speed controller)
— increase PID-T2
— increase T-Tacho
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