Fb Pid Reverse Detection; Fb Pid Lock Detection; Fb Pid Excess Load; Fb Bs+ Reverse Detection - Epson WF-C5790 Service Manual

EPSON WF-C5790/WF-C5790a/WF-C5710/ET-8700/WF-C5210/WF-C5290/WF-C5290a
ADF/SCN ERROR (9)
 Error name
 FB PID reverse detection (error code: 100066)
 FB PID lock detection (error code: 100067)
 FB PID excess load (error code: 100069)
 FB BS+ reverse detection (error code: 100074)
 FB BS+ lock detection (error code: 100075)
 FB BS+ excess load (error code: 100077)
 Cause
 When rotated in the opposite direction to rotation direction
(There was a sudden load error, and the SCN motor rotated in the opposite direction in reaction to it)
 State in which load of the SCN motor exceeds expected load, and motor does not rotate at all
 State in which load of the SCN Motor exceeds expected load
 Suspected cause
 FFC disconnection insertion failure in ADF/SCN
 Main Board failure
 SCN Encoder failure
 SCN Scale is dirty or damaged.
 SCN Motor failure
 Troubleshooting
Step
Visually check the FFCs of the ADF/SCN Unit.
Check the FFCs (x2) in ADF/SCN to make sure that it is not inserted
1
obliquely or disconnected.
Replace the ADF/SCN Unit.
2
Does the error occur after replacing the ADF/SCN Unit?
Replace the Main Board Assy.
3
Does the error occur after replacing the Main Board Assy?
Troubleshooting
Check and measure
Troubleshooting procedure
Yes
Go to step 2
Go to step 3
Contact the EPSON Service Department.
Revision A
No
 Correctly insert the two FFCs.
 If FFC is damaged, replace the ADF/SCN
Unit. (Replace the unit even if one of the two
FFCs is damaged.)
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