FANUC Industrial Fiber Laser repair

FANUC LASER C series is a high-reliability industrial laser system, mainly used in:

Automobile body welding

Power battery processing

Precision metal cutting

▌Core configuration:

Laser source: fiber laser (1kW-6kW)

Wavelength: 1070±10nm

Interface: fully integrated FANUC robot control system

Protection level: IP54

II. Common error codes and solutions

1. Laser source related errors

Alarm code Meaning Emergency treatment Fundamental solution

C1000 Laser Ready signal abnormality Check 24V control power supply Replace I/O board or main control PCB

C1020 Insufficient cooling water flow Check water pump/filter Clean water circuit or replace flow meter

C1045 Laser power is low Temporarily increase the set value Clean QBH connector or replace LD module

2. Optical system error

Alarm code Meaning Quick diagnosis

C2010 Focusing mirror temperature is too high 1. Check cooling gas circuit

2. Measure the contamination of the lens surface

C2025 Beam path alarm Use IR card to check the integrity of the optical path

3. Control system error

text

Copy

C3001 - Communication with the robot timed out

Processing steps:

1. Restart the HMI panel

2. Check the DeviceNet connector

3. Refresh the control software

III. Standardized maintenance process

1. Daily maintenance

Check the contamination of the external optical path protection lens

Confirm the cooling water temperature (should be maintained at 22±2℃)

Record the laser power count value (fluctuation should be <±3%)

2. Monthly maintenance

Optical system:

Use anhydrous ethanol + dust-free paper to clean:

Collimator

Focusing lens

Protective window

Mechanical system:

Lubricate X/Y axis guide rails

Check the bending radius of the optical fiber cable (>150mm)

3. Annual deep maintenance

▌Must be performed by a certified engineer:

Laser internal optical inspection

Cooling system chemical cleaning

Safety interlock function test

IV. Key preventive measures

1. Optical system protection

Install laser interferometer to monitor optical path stability in real time

Install air dust removal system in processing area

2. Cooling system optimization

Use special coolant (FANUC original CF-20 recommended)

Replace filter every 2000 hours

3. Electrical protection

Configure online UPS (at least 10kVA)

Ground resistance <4Ω

V. Maintenance technology highlights

1. Accurate diagnosis technology

Three-dimensional beam analysis:

A[Fault phenomenon] --> B[Beam quality analysis]

B --> C{Ellipticity>1.2?}

C -->|Yes| D[Check collimator]

C -->|No| E[Check fiber coupling]

2. Special process application

Laser power recovery technology:

Extend service life through LD aging compensation algorithm

Typical effect: Power attenuation rate reduced from 15%/year to 5%/year

VI. Successful cases

A new energy vehicle battery tray welding production line:

Problem: Frequent reporting of C1045 (lack of power)

Our solution:

Use fiber end face regeneration technology to replace the entire set of QBH

Optimize cooling water channel design

Results:

Maintenance cost reduced by 62%

MTBF increased from 800h to 1500h

VII. Service commitment

✔ Original spare parts (provide maintenance report)

✔ 48-hour emergency response (including holidays)

If you need us to help your company reduce costs and increase efficiency, please contact us immediately and seek a one-stop solution