Hitachi UX Twin Nozzle Service Manual page 278

6.2.22 Inside Temperature Sensor Fault
Viscometer Ink
Temperature Sensor
Fault
Disconnect and reconnect the following
connectors.
▪ EZJ133: CN13
▪ EZJ138: CN1, CN4
▪ Thermistor relay harness connector
Does the fault recur?
Replace the thermistor of Viscometer*1.
Does the fault recur?
Replace the EZJ133 board*2.
(*1): When you replace thermistor, refer to "4.12.5 Replacing thermistor"
(*2): When you replace EZJ133 board, refer to
board (MPU board)".
[Caution]
Be sure to check that there is no wrong connection of harnesses by referring to
Identifying method of harnesses]
No
Yes
No
Yes
[Replacement procedures of EZJ133 board]
"3.3.20 Electrical Connection Diagram".
in
6-36
Resume the
.
operation
"3.3.1 EZJ133
in
[Connector numbers and