
4. DAILY MAINTENANCE AND PERIODIC INSPECTION AND MAINTENANCE
4.3 Replacement Methods
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(2) Control
section
As the basic configuration, the control section is installed on the rear side of the display section.
a) Replacement procedures
Always replace the control section with the control section power turned OFF.
①
Check that the control section power is turned OFF. (If the power is not OFF, turn it OFF.)
②
Open the operation box door.
③
Disconnect all cables connected to the control section.
④
Remove the fixing screws fixing the control section onto the control section installation fitting,
and remove the control section from the fitting. (Loosen the two lower fixing screws first, and
then remove the two upper fixing screws while supporting the control section with a hand. Lift
the control section upward and off. The two lower fixing screws do not need to be removed.)
⑤
Replace with a new control section, and fix the control section onto the control section
installation fitting.
⑥
Connect all cables connected to the control section. (Connect the cables to the designated
connectors.)
⑦
Close the operation box door.
Display section
Control section
installation fitting
Control
section
Fixing screws (4 screws)
Incorrect connections may damage the devices, so connect the cables to the specified
connectors.
Do not replace the control section while the power is ON.
Do not connect or disconnect the connection cables between each unit while the power is ON.
CAUTION