1-52
Confidential
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The control panel does not work.
Step
Cause
Check
Result
Remedy
1
Key sticking
Is a key on the control
panel stuck?
Yes
Clean the panel cover, or
remove the any burrs from
the panel cover and panel
keys.
2
Connection
between main
PCB and control
panel PCB
Are the main PCB and
control panel PCB
connected properly?
No
Reconnect the connector
correctly.
3
Harness
between main
PCB and control
panel PCB
Is the harness
damaged?
Yes
Replace the harness with
a normal one.
4
Rubber Key
Is the problem solved
after replacing the
rubber key?
Yes
Replace the rubber Key.
5
Control panel
PCB
Is the problem solved
after replacing the
control panel PCB?
Yes
Replace the control panel
PCB.
6
Main PCB
Is the problem solved
after replacing the main
PCB ASSY?
Yes
Replace the main PCB
ASSY.
Summary of Contents for DCP-7030
Page 201: ...5 5 Confidential Print sample Fig 5 1 ...
Page 226: ...5 30 Confidential Location of fans Fig 5 13 Fan motor 60 unit Right side ...
Page 234: ...6 2 Confidential LVPS PCB Circuit Diagram 100V ...
Page 235: ...6 3 Confidential LVPS PCB Circuit Diagram 200V ...
Page 239: ...6 7 Confidential Wiring Diagram ...