Sharp AR163 Error Codes List page 6 from 6

  • Code: U9 80
  • Description: Communication trouble between MCU and the operation control PWB (Protocol error)
  • Causes: Operation control PWB connector disconnection Operation control PWB MCU PWB harness failure
  • Remedy: Check the connectors and harness of the operation control PWB and the MCU PWB. Check grounding of the machine.
  • Code: U9 81
  • Description: Communication trouble between MCU and the operation control PWB (Parity error)
  • Causes: Operation control PWB connector disconnection Operation control PWB MCU PWB harness failure
  • Remedy: Check the connectors and harness of the operation control PWB and the MCU PWB. Check grounding of the machine.
  • Code: U9 82
  • Description: Communication trouble between MCU and the operation control PWB (Overrun error)
  • Causes: Operation control PWB connector disconnection Operation control PWB MCU PWB harness failure
  • Remedy: Check the connectors and harness of the operation control PWB and the MCU PWB. Check grounding of the machine.
  • Code: U9 84
  • Description: Communication trouble between MCU and the operation control PWB (Framing error)
  • Causes: Operation control PWB connector disconnection Operation control PWB MCU PWB harness failure
  • Remedy: Check the connectors and harness of the operation control PWB and the MCU PWB. Check grounding of the machine.
  • Code: U9 88
  • Description: Communication trouble between MCU and the operation PWB (Time-out error)
  • Causes: Operation control PWB connector disconnection Operation control PWB MCU PWB harness failure
  • Remedy: Check the connectors and harness of the operation control PWB and the MCU PWB. Check grounding of the machine.