2WIRE F-116 User Manual

Page of 150
Alignment and Troubleshooting
4-57
8) No Power
Description :  When system power is turned on, all lamps on the operator panel do not come on.
1. Check if the power input 
and SMPS output are normal.
Replace the power supply cord 
or SMPS. 
1. Replace the control board. 
2. Replace the OP panel. 
2. Check the condition 
of LED-Panel or LDC window on the 
front-cover if the OP panel does not 
appear after normal 
warming-up.