Ricoh PJ WX4152 Field Service Manual page 176

5. Troubleshooting
Error
Status / LED display
ID
[Status]
"Hardware Error" was
displayed and the lamp
turned off.
[LED display]
13
[A] Lamp [B] Temp
Flashing interval: 0.2
seconds
[Status]
"Hardware Error" was
displayed and the lamp
turned off.
[LED display]
15
[A] Lamp [B] Temp
Flashing interval: 0.2
seconds
174
Cause
Hardware defect / Replace the main board. (page 89
failure "Main Board")
Color wheel sensor Replace the optical engine.
defect / failure (page 93 "Optical Unit")
Solution