# Head Memory related Fatal Errors (1)

#Error code

• 031100 Head ID read check ID error 0
• 031101 Head ID read check ID error 1
• 031102 Head ID read check ID error 2
• 031103 Head ID read check ID error 3
• 031104 Head ID read check ID error 4
• 031105 Head ID read check ID error 5
• 031200 NVT nozzle rank check ID error 0
• 031201 NVT nozzle rank check ID error 1
• 031202 NVT nozzle rank check ID error 2
• 031203 NVT nozzle rank check ID error 3
• 031204 NVT nozzle rank check ID error 4
• 031205 NVT nozzle rank check ID error 5
• 031260 NVT nozzle rank check mode value ID error 0
• 031261 NVT nozzle rank check mode value ID error 1
• 031262 NVT nozzle rank check mode value ID error 2
• 031263 NVT nozzle rank check mode value ID error 3
• 031264 NVT nozzle rank check mode value ID error 4
• 031265 NVT nozzle rank check mode value ID error 5
• 031320 NVT mode value rank nozzles count check ID error 0
• 031321 NVT mode value rank nozzles count check ID error 1
• 031322 NVT mode value rank nozzles count check ID error 2
• 031323 NVT mode value rank nozzles count check ID error 3
• 031324 NVT mode value rank nozzles count check ID error 4
• 031325 NVT mode value rank nozzles count check ID error 5

#Occurrence condition

• When reading memory information in Head replacement, Check ID is mismatching between the calculated value from each reading data and the reading value from the memory.
• Noise occurred when reading memory information or communication failed.
• The contents written to memory are incorrect.

#Assumed cause

• Data failure due to noise
• Head FFC failure / connection failure
• Head Failure

#Related parts

• Head FFC
• Head Unit
• Main Board

#Troubleshooting