Keeping Your Robot Running: A Practical Maintenance Guide
You've invested in a humanoid robot. Now how do you keep it running reliably for 3-5+ years? This guide covers everything from daily checks to long-term maintenance planning.
Daily Maintenance (5-10 minutes)
Visual Inspection
Check for visible damage, loose cables, or debris in joints
Inspect gripper/hand surfaces for wear
Look for fluid leaks (hydraulic systems) or unusual residue
Battery Check
Verify full charge before shift
Check battery health indicator (most robots display this)
Clean charging contacts if dirty
Monitor charge cycles — batteries typically last 500-1000 cycles
Software Status
Confirm latest firmware is installed
Check for error logs from previous shift
Verify sensor calibration status
Weekly Maintenance (30-60 minutes)
Joint Inspection
Run full range-of-motion test on all joints
Listen for unusual sounds (grinding, clicking)
Check torque sensor readings against baseline
Clean dust from joint seals
Sensor Cleaning
Clean camera lenses with microfiber cloth
Verify LiDAR/depth sensor readings
Test force-torque sensors with known weights
Check IMU calibration
Software Review
Review weekly error/warning logs
Update firmware if new version available
Back up robot configuration and learned behaviors
Monthly Maintenance (2-4 hours)
Mechanical
Tighten all accessible fasteners to spec torque
Inspect cable harnesses for wear or chafing
Check foot/wheel tread wear
Inspect structural frame for cracks or deformation
Test emergency stop functionality
Electrical
Measure motor winding resistance (look for degradation)
Check connector integrity
Test backup battery and power failover
Verify grounding connections
Calibration
Full sensor suite calibration
Joint encoder zero-position verification
Force-torque sensor recalibration
Camera intrinsic/extrinsic calibration check
Annual Overhaul
Most manufacturers recommend an annual comprehensive service that includes:
Complete disassembly and inspection of critical joints
Bearing replacement (high-wear joints)
Battery replacement or reconditioning
Actuator performance testing
Full software reimage and optimization
Safety system comprehensive test
Cost: Typically 10-15% of robot purchase price annually.
Common Failure Modes
| Component | Typical Lifespan | Failure Signs |
|-----------|-----------------|---------------|
| Battery | 2-3 years | Reduced runtime, slow charging |
| Finger actuators | 1-2 years | Grip weakness, position errors |
| Knee/hip bearings | 3-5 years | Noise, vibration, position drift |
| Camera sensors | 5+ years | Image artifacts, focus issues |
| Joint motors | 3-5 years | Overheating, torque reduction |
Maintenance Cost Planning
For budgeting, plan on these annual maintenance costs as a percentage of purchase price:
Year 1: 5% (warranty covers most issues)
Year 2: 10% (first major service)
Year 3: 12-15% (battery replacement likely)
Year 4-5: 15-20% (increasing wear item replacement)
Canadian-Specific Considerations
Cold weather: Store robots above 5°C. Cold batteries degrade faster.
Humidity: BC/Ontario humidity can accelerate corrosion on exposed metal parts.
Parts import: Order replacement parts 4-6 weeks ahead — customs can delay shipments.
Service contracts: Sanctuary AI (Vancouver) offers same-week service. International manufacturers may take 2-4 weeks for on-site support.
Need maintenance support for your robot? Contact us to discuss service plans.