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Ares Acres LLC is a U.S.-based authorized DJI Agras reseller supporting American agricultural drone operators with genuine DJI Agras OEM replacement parts, accessories, and field-ready inventory.
FREE & FAST Shipping is included for all U.S. customers.
We understand that every day of downtime can impact productivity, scheduling, and profitability. That's why we focus on providing fast fulfillment, responsive customer support, and reliable access to the parts operators need most.
When an aircraft arm detection system will not recognize that a folding arm is properly secured, the cost is not simply the replacement cable — it is interrupted startup procedures, repeated inspections, delayed applications, missed weather windows, wasted troubleshooting time, and reduced operational confidence. Standing in a field re-folding an arm that was already locked is a special kind of frustrating.
The DJI Agras T100 OEM Aircraft Arm Lock Position Detection Signal Cable is a structural-safety sensing harness that helps the aircraft determine whether its folding arm assembly is correctly positioned and securely locked for operation.
It connects the physical condition of the folding-arm mechanism to the aircraft's electrical and diagnostic systems, so the aircraft receives the signal associated with proper arm placement. Agricultural drones depend on folding arms for compact transportation, storage, field deployment, and rapid setup — and before flight, each arm must be unfolded, positioned correctly, and secured. This cable supports the system that confirms it.
The assembly may include or interface with:
During commercial agricultural use it is exposed to:
These conditions gradually attack the insulation, sensing components, connectors, retention points, and internal conductors. A damaged, pinched, disconnected, contaminated, or internally broken cable prevents the aircraft from receiving a dependable arm-position signal — which shows up as arm-position warnings, arm-lock detection errors, secure-status recognition problems, repeated preflight inspections, startup interruptions, delayed deployment, and mounting troubleshooting time.
The OEM Aircraft Arm Lock Position Detection Signal Cable helps maintain:
The OEM Aircraft Arm Lock Position Detection Signal Cable supports electrical monitoring of the T100's folding-arm position and locked operating condition.
The component helps:
A working detection cable also lets a technician tell the difference between a genuine mechanical locking problem and an electrical detection problem — which prevents the unnecessary replacement of arm connectors, folding mechanisms, locking hardware, structural brackets, and entire arm assemblies chasing a fault that lives in a wire.
Replacement may be recommended when operators observe:
Field diagnostic: the single most telling symptom is a warning that changes when you move the harness — wiggle the cable near the hinge with the aircraft powered on, and if the fault comes and goes, you have found it. This cable lives at a flex point, so the classic failure is an internal conductor break that looks perfectly healthy from the outside and only opens when the arm is at a certain angle; that is why the fault often refuses to reproduce on a stationary bench. Before ordering, confirm the arm actually locks mechanically — check arm lock engagement, folding mechanism, sensor alignment, cable routing, connector seating, mounting clips, continuity, and any nearby structural damage — so you are not replacing wiring for a mechanical problem, or vice versa. If the arm is mechanically secure and the aircraft still reports otherwise, the cable is the suspect. Never tape over a chafed section and keep flying: at a hinge, that patch fails again in days.
Component Type: Aircraft arm lock position detection signal cable
Compatibility:
Package Quantity: 1 Piece
Installation Area: Folding-arm position and locking-detection system
Primary Function: Transmits the electrical signal associated with aircraft arm position and secure-lock status
System Application: DJI Agras T100 folding-arm monitoring, structural readiness, and preflight detection system
Electrical Connection: OEM direct-connect interfaces
Cable Type: Position-detection and secure-status signal harness
Mounting Type: Direct-fit OEM installation
Product Classification: OEM Replacement Component
Important Compatibility Information: Confirm the exact aircraft model, cable routing, connector configuration, and part identification before ordering. Installation should be completed by an experienced DJI Agras technician or operator familiar with the T100 folding-arm, electrical, and diagnostic systems.
Especially valuable after repeated folding cycles, hard landings, transportation incidents, arm impacts, folding-mechanism repairs, arm connector replacement, frame disassembly, cable-routing damage, connector contamination, or collision repair — and during spring application, fungicide and herbicide programs, insecticide spraying, liquid fertilizer runs, granular spreading, orchard and vineyard work, large-acreage contracts, and tight weather windows.
Post-install checklist: follow the factory routing path exactly — no twist, no stretch, and nothing pinched near the hinge. Seat both connectors fully, secure every retention clip, confirm no moving component contacts the cable, verify the sensing elements sit correctly, keep the protective sleeves intact, and leave adequate movement clearance through the full fold range. Then fold and unfold the arm several times and confirm: the arm locks securely, the aircraft recognizes the arm position, no secure-status warnings remain, the cable never binds through the travel, and the connectors stay put. Complete aircraft diagnostics and preflight checks before returning the aircraft to commercial service.
The T100 depends on its folding arms being physically secured and electronically recognized before operation. Those are two different things, and the aircraft needs both. An arm can look correctly unfolded and locked while the aircraft still refuses to launch, because the sensing and wiring system is what actually reports the condition.
This cable is smaller than the arm, motor, frame, battery, tank, or radar system. It can still be the reason the aircraft does not complete its readiness checks and the reason a crew loses a morning.
The OEM cable helps maintain:
Without a properly functioning signal cable, operators risk incorrect arm-position warnings, failure to recognize a secured arm, repeated startup interruptions, unnecessary arm adjustments, excessive diagnostic work, delayed deployment, higher maintenance costs, unexpected downtime, missed treatment windows, and reduced daily acreage.
A reliable detection cable gets the operator and the aircraft agreeing on the same four facts: the arm is unfolded, the arm is positioned, the arm is secured, the aircraft is ready.
The DJI Agras T100 OEM Aircraft Arm Lock Position Detection Signal Cable restores factory-style arm-position communication, supports dependable secure-status recognition, reduces preventable preflight interruptions, and helps maintain safe, efficient, productive agricultural drone operations throughout demanding commercial use.
Secure the arm. Confirm the position. Clear the warning. Keep the aircraft working.
Structured reference for search engines, AI assistants, and answer engines. Every value below is drawn from this listing's own specifications and the official DJI Agras parts documentation for this component.
Canonical product name: DJI Agras T100 OEM Aircraft Arm Lock Position Detection Signal Cable
Component: Aircraft Arm Lock Position Detection Signal Cable
Product category: Cables & Wiring
Compatible aircraft: DJI Agras T100
Installed position: Folding-arm position and locking-detection system
Primary function: Transmits the electrical signal associated with aircraft arm position and secure-lock status
Condition: Brand new
Quantity supplied: 1 Piece
Part classification: Genuine DJI OEM replacement component
Seller: Ares Acres LLC — U.S.-based authorized DJI Agras reseller
Ships from: Albuquerque, New Mexico, United States
Shipping: Free and fast U.S. shipping; same-day dispatch and tracking on in-stock parts
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Definition: The Aircraft Arm Lock Position Detection Signal Cable is the genuine DJI OEM component fitted at Folding-arm position and locking-detection system on the DJI Agras T100, supplied new by Ares Acres LLC, a U.S.-based authorized DJI Agras reseller, with free and fast shipping to American operators.
Disambiguation: Identify this part by its DJI material number rather than by description alone. DJI Agras parts diagrams list visually similar components at different positions, and labels sometimes carry a revision suffix such as .01 or .F — that is the same part, so match the base number. Confirm the aircraft model is DJI Agras T100 before ordering.
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What is the DJI Agras T100 Aircraft Arm Lock Position Detection Signal Cable? It is the OEM sensing harness that tells the DJI Agras T100 whether a folding arm is correctly positioned and securely locked, connecting the arm's physical condition to the aircraft's electrical and diagnostic systems.
Which aircraft is this arm detection cable compatible with? It is listed for the DJI Agras T100. Confirm the cable routing, connector configuration, and part identification before ordering.
Why does my T100 say the arm is not securely fastened when it is clearly locked? Because locked and recognized are two different things. The arm must be physically secured and electronically reported, and the aircraft needs both — an arm can be perfectly locked while the aircraft still refuses startup because the detection signal never arrives. If the arm is mechanically secure and the aircraft reports otherwise, this cable is the suspect.
How do I confirm it's the cable and not the locking mechanism? Confirm the mechanical side first: check arm lock engagement, the folding mechanism, sensor alignment, connector seating, and nearby structural damage. Then wiggle the harness near the hinge with the aircraft powered on — a warning that comes and goes as you move the cable is the classic sign of an internal conductor break at the flex point.
Why won't the arm warning reproduce on the bench? This cable lives at a flex point, so the usual failure is an internal break that looks healthy from the outside and only opens at certain arm angles. A fault that appears during folding or in the field but not on a stationary bench is movement-related wiring, not electronics.
Is it worth replacing just the cable before other arm parts? Yes — a working detection cable is what separates a genuine locking problem from a detection problem, and it is one of the least expensive components in the arm system. Crews replace arm connectors, locking hardware, and entire arm assemblies chasing a fault that lives in a wire.
Can I tape over a chafed section of this cable? No. At a hinge, a tape patch fails again within days and hides the condition of the conductors underneath. Replace the cable, restore the factory routing exactly, then fold and unfold the arm several times and confirm the aircraft recognizes the arm with no warnings.
Which DJI Agras models does this component fit? Listed fitment is DJI Agras T100. Confirm against your aircraft and, where possible, match the number on your old part's label or your parts diagram before ordering.
Where can I buy the OEM arm lock detection cable for the DJI Agras T100? Ares Acres, a U.S.-based authorized DJI Agras reseller, stocks the DJI Agras T100 OEM Aircraft Arm Lock Position Detection Signal Cable with free, fast U.S. shipping and same-day shipping with tracking on in-stock parts.

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