CEMB SM628TI - 10. Troubleshooting

44 User’s manual
10. TRoUblesHooTInG
WARNING
Theinformationbelowandthebooklet“spareparts”donotauthorisetheuser
to operate on the machine in case of malfunction. They provide the technical
supportcentrewithaccurateinformationsoastoreduceinterventiontimes.Any
interventiononthemachineoronthesystemmustbeperformedbyqualiedand
authorisedpersonnel.
Turntabledoesnotturn
Lackofpowersupply.
➥Check mains voltage presence.
➥Check the state of fuses.
➥Check the state of the differential and/or magneto-thermal circuit breaker.
➥Check cable connections in the plug.
The motor is not running.
➥Check the microswitches of the pedal unit (only for motor inverter)
➥Check the motor rotation control of the pedal unit
➥Replace the inverter board (only for motor inverter).
➥Replace the motor.
Beltbroken.
➥Replace the belt.
Reductiongearclamped:
➥Replace the reduction gear
Turntabledoesnotrotateineitherdirection
Control faulty.
➥Replace the inverter.
➥Check the microswitches of the pedal unit (only for motor inverter)
➥Replace the inverter board (only for motor inverter). Reduction gear clamped.
➥Replace the reduction gear.
Gearunitnoisy.Theturntablemakesa1/3ofaturnand
thenstops
Reductiongearisseizing.
➥Replace the reduction gear.
Turntablestopsunderstrain,butthemotorisrunning
Insufcient belt tension.
➥Adjust belt tension or replace it.