Ricoh Pro C7200S Troubleshooting Manual page 304

1.SC Codes
SC No. Level
SC753- B
50
SC No. Level
SC753- B
51
SC No. Level
SC753- B Perfect Binder: Glue heater startup error 2
52
The warm-up temperature was above the +-5°C target for the glue vat
temperature. (Not detected within 100 sec. after machine warm-up.)
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300
Error Name/Error Condition/Major Cause/Solution
Perfect Binder: Internal temperature thermostat disconnect error
The A/D value of the internal temperature thermostat was detected below -20
degrees for 1 sec.
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Internal temperature thermistor connector loose, broken, defective
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Thermistor defective
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Slave board defective
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Reconnect the connector.
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Replace the internal temperature thermistor.
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Replace the slave board.
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Replace the thermistor harness.
After the repairs, cancel the low performance mode, and then turn the power
off/on.
Error Name/Error Condition/Major Cause/Solution
Perfect Binder: Internal temperature thermistor error
Temperature was detected above 10°C three consecutive times (sampled every
sec. for 1 min.).

Internal temperature thermistor connector loose, broken, defective

Thermistor defective

Slave board defective

Reconnect the connector.
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Replace the internal temperature thermistor.
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Replace the slave board.
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Replace the thermistor harness.
After the repairs, cancel the low performance mode, and then turn the power
off/on.
Error Name/Error Condition/Major Cause/Solution
Internal temperature thermistor defective
Glue heater defective
Slave board defective
Reconnect the connector.
Replace the internal temperature thermistor.
Replace the gluing unit.