Troubleshooting List - Hitachi IJ PH Service Manual

6. Troubleshooting

6.1 Troubleshooting List

Subsection
6.2 Faults – Ink-stop type
6.2.1
Ink Low
6.2.2
Main Ink Tank Too Full
6.2.3
Makeup Ink Low
6.2.4
Replenishment Timeout
6.2.5
Ink Drop Charge Too Low
6.2.6
No Ink Drop Charge
6.2.7
Noise Fault C/M/S
6.2.8
Deflection Voltage Leakage
6.2.9
Deflection Voltage Fault
6.2.10
DC Power Supply Fan Fault
6.2.11
Charge Voltage Fault
6.2.12
Internal Communication Error S
6.2.13.1
F Memory Fault C/M/S
6.2.13.2
F Memory Fault 9
6.2.14
Hardware Error C
6.2.15
Ink Heating Too High
6.2.16
Heating Unit Sensor Fault
6.2.17
Ink Heating Current Fault
6.2.18
Ambient Temperature Sensor Fault
6.2.19
Viscometer Temperature Sensor Fault
6.2.20
Pump Motor Fault
6.2.21
Cooling Fan Fault
6.3 Faults – Print-stop type
6.3.1 Print Overlap Fault
6.3.2
Cover Open
6.3.3
Improper Sensor Position
6.3.4
Target Sensor Fault
6.3.5
Target Spacing Too Close
6.3.6
Print Data Changeover In Progress C/M/S/V
6.3.7
Blank Print Items
6.3.8
Excessive Format Count
6.3.9
Substitution Character Undefined
6.3.10
Ink Drop Charge Too High
6.3.11
Internal Communication Error C/M
6.3.12
External Communication Error NNN
6.3.13
External Signal Error NNN
6.4 Warning conditions (printing continuously performed)
6.4.1
Ink Shelf Life Exceeded
6.4.2 Operating Temperature Too High/Too Low
6.4.3
Ink Heating Too Low
6.4.4
Battery Low
6.4.5
Product Speed Matching Error
6.4.6
Ink pressure Low
6.4.7
Ink Pressure High
6.4.8
Viscosity Reading Instability
6.4.9
Viscosity Readings Out of Range
6.4.10
High Ink Concentration
6.4.11
Low Ink Concentration
6.4.12
Excitation V-ref. Review
6.4.13
Ink Low Warning
6.4.14
Makeup Ink Low Warning
Name
6-1
Remarks