Ricoh FT3020 Field Service Manual page 146

INDICATOR
Fusing Control Unit Failure
Fusing Lamp open
E3
(Fusing Abnormal)
Main Board Failure
RA1 and/or Safety SW Failure (Warm up)
E4 Total Counter Failure
(Total Counter
Main Board Failure
Abnormal)
POSSIBLE CAUSE
CHECK POINT
E3 is displayed soon after turning on
the Main SW.
Fusing Lamp on signal is applied to
CN103-7B more than 130 sec.
Abnormal signal is applied
Exhaust Fan does not rotate
CN103-9A does not drop to 0V
CN103-9A drops from 26V to 0V
July 1, '85
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