Epson EPL-6200, Service Manual

Page: 108 / 204

EPSON EPL-6200/EPL-6200L Revision A
Troubleshooting Troubleshooting When There is Error Display 108
3.2.2 Fan problem
†
The following condition is handled as a fan problem:
„
During operation of the Cooling Fan Motor, the lock signal (H or L) has been
maintained for more than the predetermined period of time.
3.2.3 Polygon Motor Error
†
Any of the following conditions is handled as an polygon motor error:
„
The lock signal was not detected within the predetermined period of time
counted from one second after start of the polygon motor.
„
The lock signal was not detected during the period of 1 second counted from
1.5 seconds after emission of the first lock signal.
„
No lock signal was detected for 0.5 second continuously under the conditions
where the polygon motor was in a steady running state.
„
The lock signal was kept ON for more than 5 seconds even with the polygon
motor turned OFF.
Table 3-5. Troubleshooting for “Fan problem”
Step Action and Question Yes No
Parts below can be the source of this error ( Chapter 4 Disassembly and Assembly )
• Cooling Fan Motor (p.155)
• Main Board Assy (C533/C534 Main) (p.146)
• Power Supply Unit (PU1) (p.151)
1
Cooling Fan Motor 1
Check the connection of the motor connector, and
correct it if any problem is found.
♦
Has the error been cleared?
Problem
solved
Go to Step 2
2
Cooling Fan Motor 2
Check the loading on the fan mechanism, and correct
it if any problem is found.
♦ Has the error been cleared?
Problem
solved
Go to Step 3
3
Cooling Fan Motor 3
Replace the cooling fan.
♦ Has the error been cleared?
Replace the
cooling fan.
Go to Step 4
4
Main Board Assy.
Replace the Main Board Assy.
♦ Has the error been cleared?
Replace the
Main Board
Assy. Go to “3.4.2
Electrical
Noise”
(p.120)
Table 3-6. Troubleshooting forTroubleshooting for “Polygon Motor Error”
Step Action and Question Yes No
Parts below can be the source of this error ( Chapter 4 Disassembly and Assembly )
• PH Unit (p.154)
• FFC
•
Main Board Assy (C533/C534 Main) (p.146)
1
Connection with connectors
Check the connection of the cable, and correct it if
any problem is found.
♦
Has the error been cleared?
Problem
solved
Go to Step 2
2
PH unit
Replace the PH unit.
♦
Has the error been cleared?
Replace the
PH unit.
Go to Step 3
3
Main Board Assy.
Replace the Main Board Assy.
♦
Has the error been cleared?
Replace the
Main Board
Assy. Go to “3.4.2
Electrical
Noise”
(p.120)