Ricoh B234 Service Manual page 482

SERVICE CALL CONDITIONS
SC795-35 A Book Stacker Door Lock Solenoid (SOL5) Error
The book stacker
door is locked but
the book stacker
door sensor (S98)
did not go OFF.
SC795-36 A Glue Heater (HTR1) Errors
Heater failed to start: Error 1
600 sec. after the bookbinder left
the energy save mode, the glue
thermistor could not detect the
target temperature (+-5).
Heater failed to start: Error 2
After the glue thermistor detected
a glue temperature of 50°C, it
could not detect a temperature
above 140°C within 200 sec.
SC795-37 A Electrical Short in the Gluing Unit
• Heater short. The glue unit thermistor
• Heater wire break or short circuit. The
• Glue level thermistor (S58) broken
• The AD value of the glue level
SC795-38 A Temperature Detection Error
Low temperature detected while regulating glue temperature.
After adjustment of the glue
temperature, the glue temperature
thermistor (S56) detected a temperature
lower than 135°C for more than 10 sec.
Glue level thermistor: Error 1
The glue level thermistor detected a
temperature higher than 170°C for
longer than 10 sec. after the glue had
warmed up.
Glue level thermistor: Error 2
The glue level thermistor detected a
temperature higher than 100°C for
longer than 10 sec. after the glue had
warmed up.
B234/B235/B236/D101/D102/D103
• Book stacker door lock solenoid (SOL5)
• Solenoid defective
• Book stacker door sensor harness loose, broken,
• Sensor defective
detected a temperature higher than
200C for longer than 1 sec.
gluing unit thermistor detected a
temperature of less than 5C for more
than 1 sec. (more than 10 sec. after
power on).
thermistor (S58) remained at 1023 for
10 sec.
connections loose, broken, defective
defective
• Heater (HTR1), glue temperature
thermistor (S56) defective
• Heater, glue temperature thermistor
(S56) defective
• Thermistor abnormal, wire
• Heater, glue temperature
thermistor (S56) defective
• Glue level thermistor (S58)
defective
• Glue level thermistor (S58)
defective
4-62
breakage, short circuit,
broken wire: Replace the
gluing unit
SM