• Code: 001
• Display: Service call
  001: Error
• Description: Machine Check Exception
• Remedy: Is the error message displayed again?
  If the RAM DIMM is mounted, remove it and turn the power supply Off/On. Replace 86M board Remount RAM DIMM Replace RAM DIMM

• Code: 002 ... 005
• Display: Service call
  002: Error
  -
  005: Error
• Description: CPU Excepption
• Remedy: Is the error message displayed again?
  If the RAM DIMM is mounted, remove it and turn the power supply Off/On. Replace 86M board Remount RAM DIMM Replace RAM DIMM

• Code: 006
• Display: Service call
  006: Error
• Description: Floating-point Unavailable Exception
• Remedy: Is the error message displayed again?
  If the RAM DIMM is mounted, remove it and turn the power supply Off/On. Replace 86M board Remount RAM DIMM Replace RAM DIMM

• Code: 007
• Display: Service call
  007: Error
• Description: Instruction Address Breakpoint Exception
• Remedy: Is the error message displayed again?
  If the RAM DIMM is mounted, remove it and turn the power supply Off/On. Replace 86M board Remount RAM DIMM Replace RAM DIMM

• Code: 020
• Display: Service call
  020: Error
• Description: CU ROM Hash Check Error (resident or ROM slot 1)
• Remedy: Is the error message displayed again?
  If the RAM DIMM is mounted, remove it and turn the power supply Off/On. Replace 86M board Remount RAM DIMM Replace RAM DIMM

• Code: 023
• Display: Service call
  023: Error
• Description: CU Font ROM Hash Check Error (resident)
• Remedy: Is the error message displayed again?
  If the RAM DIMM is mounted, remove it and turn the power supply Off/On. Replace 86M board Remount RAM DIMM Replace RAM DIMM

• Code: 024
• Display: Service call
  024: Error
• Description: CU Font ROM Hash Check Error (slot 1)
• Remedy: Is the error message displayed again?
  If the RAM DIMM is mounted, remove it and turn the power supply Off/On. Replace 86M board Remount RAM DIMM Replace RAM DIMM

• Code: 030
• Display: Service call
  030: Error
• Description: CU RAM Check Error
• Remedy: Is the error message displayed again?
  Power supply Off/On Replace 86M board