2.3
CODE #13 — ZERO CROSS SIGNAL ERROR
- Definition -
The CPU does not receive the zero cross signal within 0.56 second.
- Possible Causes -
•
Defective main board
•
Defective dc power supply board
•
Zero cross line open
•
CN107 on the main board or CN202 on the dc power supply board is
not correctly connected.
- Action -
Turn the main switch off and on.
Check that CN107 on the main board and CN202 on the dc power supply
board are correctly connected.
Correct
Incorrect
Connect CN107 and CN202
Check the voltage at CN202-2 on the dc power supply board.
0.6 volt
0 volts
Replace the dc power supply board.
Check the voltage at CN107-1 on the main board.
0.6 volt
0 volts
Replace the dc harness.
Replace the main board.
A151/A152
6-28
FSM
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 ...
Page 4: ......
Page 6: ......
Page 8: ......
Page 10: ......
Page 22: ......
Page 26: ......
Page 27: ...OVERALL MACHINE INFORMATION ...
Page 28: ......
Page 32: ......
Page 33: ...GUIDE TO COMPONENTS ...
Page 34: ......
Page 42: ......
Page 43: ...INSTALLATION ...
Page 44: ......
Page 55: ...SERVICE TABLES ...
Page 56: ......
Page 95: ...REPLACEMENT AND ADJUSTMENT ...
Page 96: ......
Page 193: ...TROUBLESHOOTING ...
Page 194: ......
Page 250: ......
Page 251: ...DOCUMENT FEEDER A296 ...
Page 252: ......
Page 268: ......
Page 274: ......
Page 277: ...A202 A203 SERVICE MANUAL ...
Page 278: ......
Page 337: ...DOCUMENT FEEDER A662 ...
Page 338: ......
Page 359: ...TECHNICAL SERVICE BULLETINS ...
Page 360: ......
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 ...