Samsung CLP-770ND Service Manual page 75

Message
S: 1. At warm up, the temperature keep up
Low Heat error
T: 2. In case that the temperature has not
Error: #02-001
Turn off then on
3. At ready, Less than120℃ and for more
4. At printing, Less than printing Ref.
S: The temperature keep up the higher than
Over Heat error 240℃
T:
Error: #02-002
Turn off then on
S: After Black OPC BLDC motor is
Motor error operated, the ready signal is not occurred
T: within 2.5 sec.
Error: #03-006
Turn off then on
S: After Dev BLDC motor is operated, the
Motor error ready signal is not occured within 2.5 sec.
T:
Error: #03-007
Turn off then on
S: After Fuser OPC BLDC motor is
Motor error operated, the ready signal is not occurred
T: within 1 sec.
Error: #03-008
Turn off then on
S: Fan does not operate.
Fan error
T:
Error: #03-015
Turn off then on
S: After LD on, the Laser beam detect signal
LSU error is not occurred or irregular.
T:
Error: #04-001,4,7,10
Turn off then on
Service Manual
Alignment & Troubleshooting
Description
the lower temperature for regular time.
reached warm up temperature after
warm-up time.
than 15 sec.
temp and for more than 15 sec.
Suggested Solution
1. Turn off the power. And turn on the power.
2. Check the connection of the Fuser unit. And the CN2,5
connector on Main-PBA.
3. Remove the resistance value of the thermostat. If the
value is infinity, replace the thermostat.
4. Check the thermistor. If it is defective, replace it.
5. If the problem persists, replace the Fuser unit.
6. Replace the SMPS board or FDB(Fuser drive board).
1. Turn off the power. And turn on the power.
2. Replace the Fuser unit.
3. Replace the FDB.
4. Replace the Main-PBA.
1. Check the 24V power.
2. If 24V power is not occurred, replace the SMPS.
3. Check the motor connector and Main-PBA connector.
4. Replace the BLDC motor.
5. Replace the Main-PBA.
1. Check the 24V power.
2. If 24V power is not occurred, replace the SMPS.
3. Check the motor connector and Main-PBA connector.
4. Replace the BLDC motor.
5. Replace the Main-PBA.
1. Check the 24V power.
2. If 24V power is not occurred, replace the SMPS.
3. Check the motor connector and Main-PBA connector.
4. Replace the BLDC motor.
5. Replace the Main-PBA.
1. Check the CN7 connector on Main-PBA.
2. If the Fan operates and the error message is displayed,
replace the Main-PBA.
1. Replace the Main board.
2. If the problem persists after replacing the Main board,
replace the LSU unit.
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Samsung Electronics