Canon imagePROGRAF W6200, Service Manual, Page: 227 / 311

7.3.21 E02D05
Air flow fan error
<Cause>
Fan rotation could not be detected while the air flow fan was running.
<Probable problem locations>
Air flow fan, engine controller and system controller
<Remedy>
1.Cable connection check
Replace the cable connecting the air flow fan and engine controller if the
connection is not functioning properly.
2.Replace the air flow fan.
3.Replace the engine controller.
4.Replace the system controller.
7.3.22 E02D06
Ink supply valve switching error
<Cause>
The valve cam sensor could not detect valve cam rotation during switching of the ink
supply valve.
<Probable problem locations>
Valve motor unit, engine controller, system controller
<Remedy>
1.Visual check
Check if there are any foreign objects adhering to the motor, gears, and sensors of
the valve motor unit, and remove if any abnormalities are found.
2.Valve motor unit
Check operation by using SERVICE MODE>FUNCTION>INK VALVE, and replace if
there are any abnormalities.
3.Cable connection check
Replace the cables between the valve motor and valve cam sensor and the engine
controller if any abnormalities are found in the cable connections.
4.Replace the engine controller.
5.Replace the system controller.
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W6200 Part 5: Maintenance