The wavelength meter 86120C Error 4 Motor index pulse not found is shown on the equipment when it cannot control the motor to run properly.

Send your Agilent unit to our PhotonCom Lab for a motor repair or a motor replacement and a full evaluation of the condition of your Agilent 86120B. After repair, your equipment will return back to you fully calibrated with calibration data.

Other Agilent 86120B error messages for which a repair or a calibration is needed

• 86120 Error 1 Bad checksum from motor
• 86120 Error 2 Motor communication problem
• 86120 Error 3 Motor not moving
• 86120 Error 4 Motor index pulse not found
• 86120 Error 5 Motor chip set init failed
• 86120 Error 6 Motor communication failure
• 86120 Error 7 Motor not settled
• 86120 Error 8 Motor did not stop
• 86120 Error 9 Motor motion error
• 86120 Error 10 Motor position limit failed
• 86120 Error 11 Motor position wrap failed
• 86120 Error 12 Power level too high
• 86120 Error 13 Data download problem