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S-7200C
19. TROUBLESHOOTING
157
Problem Possible cause Page
18 Nothing appears on the
operation panel display
・ Is the power supply connector
disconnected from the control
box?
Insert the connector
securely.
・ Is the operation panel
connector P7 inside the
control box disconnected?
Insert the connector
securely.
・ Are the relay connector of the
drive PCB and P3 on the main
PCB inside the control box
disconnected?
Insert the connector
securely.
Instruction
manual
150-151
Instruction
manual
150-151
19 “GrUP” or “GrEASEUP”
flashes in the panel
display when the power
switch is turned on.
・ This display is to notify you that it is time to apply grease.
Apply grease.
137, 139
4263M
4264M