Muratec F-116 - Manual (Page 111)

Alignment and Troubleshooting
4-51
2) LSU Error
Description : “PMOTOR ERROR/HSYNC ERROR’
1. Check whether the LSU
connector is disconnected or not.
Replace a LSU
Replace a main board if the same
error occurs again after replacing
a LSU.
2. Check whether the LSU
motor is rotating or not.
3. Check the HSYNC signal.