SERVICE CALL CONDITIONS
SM 4-85 B234/B235/B236/D101/D102/D103
Trouble-
shooting
Book Lift Tray Motor (M38) Error
SC797-15 B
The book lift tray
motor was not
rotating.
• Book lift tray motor (M38) locked, blocked by the
press plate or a jammed book
• Motor defective
• Book lift tray HP sensor (S79) defective
• Motor or sensor harness loose, broken, defective
Book Buffer Tray HP Sensor (S78) Error
SC797-16 B
The book collection buffer tray HP sensor
did not go OFF within the prescribed time
after the book buffer tray motor (M39)
turned on to raise the tray.
-or-
The book collection buffer tray HP sensor
did not go ON within the prescribed time
after the book buffer tray motor (M39)
turned on to lower the tray.
• Book buffer tray
overloaded.
• Book buffer tray motor
(M39) defective
• Book buffer tray HP
sensor (M78) defective
• Motor or sensor harness
loose, broken, defective
Blade Cradle HP Sensor (S83) Error
SC797-17 B
The blade cradle HP sensor did not
go OFF within the prescribed time
after the blade cradle motor (M40)
turned on to raise it.
-or-
The blade cradle HP sensor did not
go ON within the prescribed time
after the blade cradle motor (M40)
turned on to lower it.
• Edge press plate or cutter
interfered with movement of the
blade cradle
• Blade cradle motor (M40)
defective
• Blade cradle HP sensor (S83)
defective
• Motor or sensor harness loose,
broken, defective
Book Door Lock Solenoid (SOL5) Error
SC797-18 B
The book stack door is
locked but the book door
sensor (S98) did not go
OFF.
• Book door sensor (S98) defective
• Book door lock solenoid (SOL5) defective
• Solenoid or sensor harness loose, broken,
defective
Glue Heater (HTR1) Error
The heater failed to start because:
600 sec. after the bookbinder left the energy save mode, the glue thermistor
did not detect the target temperature (153°C±5).
-or-
After the glue thermistor detected a glue temperature of 50°C, it did not
detect a temperature above 140°C within 200 sec.
SC797-19 B
• Heater (HTR1) defective
• Glue thermistor (S56) defective
SC797-20 B Electrical Short in the Gluing Unit
A short circuit or wire breakage occurred in the gluing unit.
The glue thermistor (S56) detected:
• A temperature over 200°C more than 1 sec. (short circuit)
• A temperature of less than 5°C for more than 1 sec. or more than 10 sec.
after power on (wire breakage)
• The AD value of the glue level thermistor (S58) remained at 1023 for 10
sec (wire breakage).
• Heater (HTR1) defective
• Glue thermistor (S56) defective