Always switch off the power for at least 30 seconds to reset the controller board.
The appears when the main board cannot verify the exact rotation speed or angle of the direct-drive motor. siruba l818fm1 error list work
Fabric dust can bypass seals over time and cover the internal photo-interrupters. Remove the rear motor cover plate and use dry, clean compressed air to clear any debris out of the encoder wheel slot. Always switch off the power for at least
Verify line voltage and consider lengthening deceleration parameters in settings. Encoder/Signal Failure: siruba l818fm1 error list work