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Troubleshooting
● Code :
28-001
28-002
28-003
● Error message :
Transfer belt is not installed. Install it.
Transfer belt is not compatible for this machine. Check user’s guide.
● Symptom : The red LED is turning on and the machine does not operate.
● Possible Cause: :
The transfer belt unit is installed in the machine but the machine could not read information from CRUM.
CRUM information is different from machine.
● Troubleshooting method :
1. Check if the CRUM terminal of the transfer belt unit is contaminated. Clean the contact point.
2. Check if the Transfer Belt Unit CRUM Harness is defective and connected on engine board properly.
3. Replace the CRUM to the normal thing and test it. If the CRUM is defective, replace the transfer belt
unit.
Transfer Belt Unit CRUM
Transfer Belt Unit CRUM Harness
CRUM terminal
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