Fan Problem; Polygon Motor Error - Epson EPL-6200 Service Manual

EPSON EPL-6200/EPL-6200L

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.
Table 3-5. Troubleshooting for "Fan problem"
Step Action and Question
Parts below can be the source of this error
• Cooling Fan Motor (p.155)
• Main Board Assy (C533/C534 Main) (p.146)
• Power Supply Unit (PU1) (p.151)
Cooling Fan Motor 1
Check the connection of the motor connector, and
1
correct it if any problem is found.
♦ Has the error been cleared?
Cooling Fan Motor 2
Check the loading on the fan mechanism, and correct
2
it if any problem is found.
♦
Has the error been cleared?
Cooling Fan Motor 3
3
Replace the cooling fan.
♦ Has the error been cleared?
Main Board Assy.
4
Replace the Main Board Assy.
♦ Has the error been cleared?
Troubleshooting
Yes No
(Chapter 4 Disassembly and Assembly)
Problem
Go to Step 2
solved
Problem
Go to Step 3
solved
Replace the
Go to Step 4
cooling fan.
Replace the Go to "3.4.2
Main Board Electrical
Assy. Noise" (p.120)
Troubleshooting When There is Error Display

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 3-6. Troubleshooting forTroubleshooting for "Polygon Motor Error"
Step Action and Question
Parts below can be the source of this error
• PH Unit (p.154)
• FFC
• Main Board Assy (C533/C534 Main) (p.146)
Connection with connectors
Check the connection of the cable, and correct it if
1
any problem is found.
♦
Has the error been cleared?
PH unit
2
Replace the PH unit.
♦
Has the error been cleared?
Main Board Assy.
3
Replace the Main Board Assy.
♦ Has the error been cleared?
Revision A
Yes No
(Chapter 4 Disassembly and Assembly)
Problem
Go to Step 2
solved
Replace the
Go to Step 3
PH unit.
Replace the Go to "3.4.2
Main Board Electrical
Assy. Noise" (p.120)
108