B064 SERIES SERVICE MODE
SM 4-19 B064 Series/B140 Series/G126
Trouble-
shooting
SC No. Symptom Possible Cause
ID sensor error 3 352 C
For 2 s during the ID sensor pattern
check, the ID sensor pattern edge
voltage is not 2.5V or the pattern
edge is not detected within 800 ms.
• ID sensor defective
• ID sensor harness disconnected
• ID sensor connector defective
• BCU defective
• Defect during ID sensor pattern writing
• Charge power pack defective
• ID sensor dirty
ID sensor error 4 353 C
One of the following ID sensor
output voltages is detected at ID
sensor initialization.
• Vsg < 4.0V when the maximum
PWM input (255) is applied to the
ID sensor.
• Vsg ≥ 4.0V when the minimum
PWM input (0) is applied to the
ID sensor.
• ID sensor defective
• ID sensor harness disconnected
• ID sensor connector defective
• BCU defective
• Defect during ID sensor pattern writing
• Charge power pack defective
• ID sensor dirty
ID sensor error 5 354 C
20 s after the start of automatic
adjustment, Vsg cannot be adjusted
to target (4.0 ± 0.2V).
• ID sensor defective
• ID sensor harness disconnected
• ID sensor connector defective
• BCU defective
• Defect during ID sensor pattern writing
• Charge power pack defective
• ID sensor dirty
ID sensor pattern voltage error 355 C
Drum potential sensor output is out
of the target range (-100 - -400V)
when reading the drum voltage for
the ID sensor pattern.
• Drum potential sensor defective
• Drum potential sensor harness
disconnected
• Drum potential sensor connector
defective
• IOB defective
• Defect during ID sensor pattern writing
• Charge power pack defective
• Charge corona wire dirty
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