C31 Agricultural Drone Warranty Policy

C31 Agricultural Drone Warranty Policy

C31 Agricultural Drone Warranty Policy

V1.0
Ceres Air LLC
January 2026

1. Warranty Policy

    The entire product has a one-year warranty, and the main components have the following specific warranty periods:

Electronics

Title
Title
Title
Components
Warranty period
Recommended Replacement Cycle
FC (Flight Controller)
12 Months
24 Months
Radar (Rotation Radar , Rotation Radar)
12 Months
24 Months
Searchlight
12 Months
24 Months
FPV Camera
12 Months
24 Months
LiDAR
12 Months
24 Months
Front Interface Board
12 Months
24 Months
ESC
12 Months
24 Months
Smarter Battery
1500 cycles or 12 months (whichever comes first)
1500 Cycles
Smarter Battery Charger
12 Months
24 Months
Remote Controller
12 Months
24 Months
Survey Tools
12 Months
24 Months
Base Station
12 Months
24 Months
Anatenna (RTK,WiFi)
12 Months
24 Months

1.2 Warranty Period for Other Components and Wearable Parts

Title
Title
Title
Components
Warranty period
Recommended Replacement Cycle
Main Frame
3 Months or 500 hrs (whichever comes first)
24 Months/1000 Hours
Arm
3 Months or 500 hrs (whichever comes first)
24 Months/1000 Hours
Weighing module
3 Months or 500 hrs (whichever comes first)
24 Months/1000 Hours
Flow meter
3 Months or 500 hrs (whichever comes first)
24 Months/1000 Hours
Motor Bracket
3 Months or 500 hrs (whichever comes first)
24 Months/1000 Hours
Shell
3 Months or 500 hrs (whichever comes first)
24 Months/1000 Hours
Propeller Clamp and bracket
3 Months or 500 hrs (whichever comes first)
500 hrs
Motor
3 Months or 500 hrs (whichever comes first)
500hrs
Propeller(CW，CCW)
15 Days
500hrs
Impeller pump
3 Months or 500 hrs (whichever comes first)
1000hrs/6 Months
Centrifugal Nozzle
3 Months or 500 hrs (whichever comes first)
1000hrs/6 Months
Landing gear
15 Days
1500 Cycles
Screw Feeder Motor
3 Months or 500 hrs (whichever comes first)
500hrs
Spreading Disc Motor
3 Months or 500 hrs (whichever comes first)
500hrs
Accessories-Screws
3 Months
12 Months
Accessories-Cables
3 Months
2000 hrs
Notices:
1. The warranty period for other parts not mentioned in the table is: free replacement within 15 days if there is a quality problem;
2. Users must use, store and maintain the product strictly in accordance with the product instruction manual;
3. The product warranty period is calculated from the date of product invoice or sales receipt issued by Ceres Air Technology or other authorized partners and other authorized channel sellers or the date of product activation (whichever occurs earlier of the three), and is regarded as the start date of the product warranty period time limit.
Warning: If the operating speed exceeds 31MPH (Beast Mode), any resulting product issues will not be covered under warranty.
Warning: Drones that have been been in previous accidents might result in warranty claim denials

1.3 Warranty Exclusions

The warranty does not cover the following situations:
  • Damage not caused by the product itself, such as damage from collisions, crashes, or fire
  • Damage resulting from installation or disassembly not performed according to the official user manual
  • Damage due to improper installation or misuse
  • Damage caused by unauthorized modifications or misuse of batteries or chargers
  • Damage from flying the drone in ways not in accordance with the user manual
  • Damage caused by operating in extreme weather conditions (e.g., strong winds, sandstorms)
  • Damage from operating in areas with electromagnetic interference (e.g., mining zones, communication towers, power lines, substations)
  • Damage caused while using the drone when wireless devices (transmitter, video transmitter, Wi-Fi, etc.) are malfunctioning
  • Damage due to exceeding the drone’s safe takeoff weight
  • Damage caused by forced flight while knowing components are damaged
  • Damage resulting from the use of unauthorized third-party components due to compatibility or stability issues
  • Damage caused by insufficient battery power or intentional use of defective batteries

2. Product maintenance suggestions

2.1 Product Maintenance

Storage & Transportation

Δ Warning
To avoid potential injury or damage, please strictly follow the guidelines below:
  • Keep children away from the drone components, as cables and small parts may pose a hazard.
  • Always remove the battery from the drone before transportation.
  • For long-term storage or long-distance transportation, remove or empty the spray tank and store the drone in a cool, dry place.
  • The drone should be stored in environments between -20°C and 40°C, and there must be no liquid left in the spray tank, flow meter, liquid pump, or hoses.

Cleaning, maintenance and upkeep

Δ Warning
To avoid potential injury or damage, please strictly follow the instructions below:
  • After each day’s operation, allow the drone to return to room temperature before cleaning.Do not clean the drone immediately after use.
a. Fill the spray tank with clean water or soapy water, spray it out completely, and repeat three times.b. Remove and clean the tank filter to ensure it is not clogged.c. Use a soft brush or damp cloth to clean the drone body, then dry any water stains with a dry cloth.d. If there is dust or pesticide residue on the motors or propellers, clean with a damp cloth and then dry.e. Store the drone in a dry place.
  • After daily operations, wipe the surface and screen of the remote controller with a clean, damp cloth (well wrung out).
  • Every 20 flight hours or 100 takeoffs/landings, perform the following checks:a. Check for cracks on propellers and replace if needed.b. Check if propellers are loose; if so, replace with new propellers and spacers.c. Inspect plastic and rubber components for aging.d. Check nozzle atomization performance. If atomization is poor, clean the centrifugal disk thoroughly; if still unsatisfactory, replace with a new disk.e. Replace the spray tank filter.f. Repeat the spray tank cleaning process (3 times with water or soapy water).
  • Do not attempt to repair modules or batteries yourself. If damage is found, please contact Ceres Air Technology technical support or an authorized dealer.

Note:
ï‚· Keep the radar/LiDAR module's protective cover clean. Use a soft damp cloth to wipe the surface and allow it to air dry naturally.
ï‚· Ensure the drone is powered off before cleaning dust or debris from the camera lens, then wipe it with a clean, soft cloth.
ï‚· Inspect all parts of the drone to check whether they may have been subjected to strong impact. If in doubt, please contact Ceres Air Technology technical support or an authorized dealer.
ï‚· Hot-plugging of drone modules and power connections is strictly prohibited. The aircraft must be fully powered off before replacing modules or connecting or disconnecting any connectors.
ï‚· Ceres Air reserves the right to make changes. Please refer to and update to the latest version of this document.

2.2 Recommended Maintenance Schedule

Title
Title
Title
Title
Components
module
Maintenance check recommendations
Recommended Replacement cycles
dynamical system
motor, ESC
ï‚· Perform an inspection after completing 100 flights.
ï‚· After the initial inspection, perform checks every 100 flight hours.
ï‚· If the ESC stalls and the motor or ESC temperatures are abnormal, an inspection is required.
ï‚· If the motor has sustained external impact or damage, it must be inspected.
500 hrs( Motor).
24 Months(ESC)
Propeller
ï‚· Perform an inspection after completing 100 flights.
ï‚· After the initial inspection, check every 100 flight hours or once a month, whichever comes first.
ï‚· If the ESC stalls and the motor or ESC temperatures are abnormal, an inspection is required.
500 hrs.
Propeller Clamp and bracket
Inspect before preparing for daily operation
1000 hrs
Rack module
Frame arm
Set screws
Every 1 month
12 Months
Arm
Every 1 month
24 Months
Arm lock screw
Every 1 month
12 Months
Frame
Every 1 month
24 Months
Battery slider
Every 1 month
1000 cycles
Weighing module
Every 100 hours or 1 month
24 Months
Spraying system
water pump
Every 100 hours or 1 month

1000hrs or 6 Months(Whichever comes first)
Nozzle
Every 100 hours or 1 month
1000hrs or 6 Months(Whichever comes first)
Water pipe adapter
Inspect before preparing for daily operation
500hrs
water pipe
Inspect before preparing for daily operation
500hrs
Spray Tank
Every 6 months
24 Months
flowmeter
Every 1 month
24 Months
Spray control board
Every 6 months
12 Months
Title
Title
Title
Title
Avionics systems
Avionics module
Every 6 months
24 Months
Front Interface Board
Every 6 months
24 Months
Rear Interface Board
Every 3 months
24 Months
Distribution board
Inspect before preparing for daily operation
24 Months
RTK antenna
Every 6 months
24 Months
Image Transmission Antenna
Every 6 months
24 Months
Radar/LiDAR
Radar/LiDAR module
Every 6 months
24 Months
remote control
remote control
Every 1 month
24 Months
battery
Aircraft battery
Every 200 Cycles or every 1 month
1500Cycles
charger
charger
Every 400 charges or every 1 month
24 Months