Possible causes:
Low battery voltage
XTrac not engaged properly
Holiday lock mode evoked
Possible solutions:
Check that the power cord is plugged in and turned on
Check the battery voltage
Check that the XTrac is engaged
Holiday Lockout mode evoked:
To get the operator out of holiday lock, press and hold button no three until the courtesy lamp flashes twice or default the PCB by remove all power, switch on all the dip switch and press and hold the both the learn and run button the led will flash rapidly