2. SERVICE CALL CONDITIONS
2.1
CODE #11 — EXPOSURE LAMP ERROR
- Definition -
•
The feedback signal becomes higher than 4.2 volts (rms) for 1.0
second when the exposure lamp is on.
•
The feedback signal becomes higher than 1.0 volt (rms) for 1.0 second
when the exposure lamp is off.
- Possible Causes -
•
Exposure lamp open
•
Thermofuse open
•
Defective ac drive board
•
Defective main board
•
Defective dc harness
•
CN114 on the main board or CN401 on the ac drive board is not
correctly connected.
- Action -
Turn the main switch off and on.
Exposure lamp off?
Yes
No
Check the voltage at CN114-3 on the main board.
24 volts Less than 20 volts
Replace the main board.
Replace the ac drive board.
Check that CN114 on the main board and CN401 on the ac drive board are
correctly connected?
Correct Incorrect
‘
Connect CN114 and CN401
Is the exposure lamp circuit open?
No
Open
T
R
O
UBL
E
-
S
H
OOTI
N
G
FSM
6-25
A151/A152
Summary of Contents for A151
Page 1: ...SERVICE MANUAL PN RCFM3213 A151 A152 A202 A203 RICOH GROUP COMPANIES ...
Page 2: ...SERVICE MANUAL A151 A152 A202 A203 RICOH GROUP COMPANIES ...
Page 3: ...A151 A152 A202 A203 FIELD SERVICE MANUAL PN RCFM3213 ...
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Page 27: ...OVERALL MACHINE INFORMATION ...
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Page 33: ...GUIDE TO COMPONENTS ...
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Page 43: ...INSTALLATION ...
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Page 55: ...SERVICE TABLES ...
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Page 95: ...REPLACEMENT AND ADJUSTMENT ...
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Page 193: ...TROUBLESHOOTING ...
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Page 251: ...DOCUMENT FEEDER A296 ...
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Page 277: ...A202 A203 SERVICE MANUAL ...
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Page 337: ...DOCUMENT FEEDER A662 ...
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Page 359: ...TECHNICAL SERVICE BULLETINS ...
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Page 372: ...Tech Service Bulletin No 3013 3213 008 Page 2 of 3 Continued ...
Page 373: ...Tech Service Bulletin No 3013 3213 008 Page 3 of 3 ...