Ricoh D017 Service Manual page 383

Service Call Conditions
230 D FGATE ON error
The FGATE signal did not assert within the
prescribed time. (The BCU generates the
FGATE signal and sends it to the LD unit
when the registration sensor switches on.)
231 D FGATE OFF error
The FGATE signal did not go off within the
prescribed time. (The BCU generates the
FGATE signal and sends it to the LD unit
when the registration sensor switches on.)
240 LD error
The IPU detected a
problem at the LD unit.
Charge level output error
The PWM output level was detected
302 D
higher than 50% after 10 consecutive
samplings.
D017/D018/D019/D020/D084/D085
BCU, Controller board
harness loose or broken
BCU defective
Controller board defective
LD unit harness broken, defective
BCU harness broken defective
LD unit defective
BCU defective
HVPS (High Voltage Power
Supply) board harness loose,
broken.
PCU connection loose or
broken
3-8 SM Appendix