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Technical guide · 10 min

Motorised gate fault: CAME, Nice, FAAC, Somfy, BFT diagnosis

Swing or sliding gate motor fault? Identify the exact symptom first — photocells, board, gear motor, end-limits. 15-case guide covering CAME, Nice, FAAC, Somfy, BFT, Marantec, Motorline.

15symptoms
3urgent cases
Fast10 min
Fermé-Lux technician testing a swing gate motor with a multimeter
3 urgent cases
Technical guide

Guide — motorised gate faults

Gates · 15 symptoms

01 UrgentVery frequentProfessional intervention required

Gate no longer moves at all

Likely causes
  • 230V power cut or tripped breaker40%
  • Control board burnt out35%
  • Gear motor jammed or dead25%
Solution
DIY fix

Check the dedicated breaker and test a manual release opening.

Fermé-Lux intervention

Supply voltage check, multimeter board test, gear motor diagnosis and faulty part replacement.

Intervention time · 1-2h
CAME ZA5BFT DeimosNice Robus
Parts replaced
Electronic board· CAME, BFTGear motor 230V· Nice, Somfy
02 To addressFrequentDIY possible

Gate opens but will not close

Likely causes
  • Dirty or misaligned photocells55%
  • Closing end-limit misadjusted25%
  • Obstacle in the path20%
Solution
DIY fix

Clean photocell lenses and clear the path.

Fermé-Lux intervention

Optical photocell realignment, end-limit reprogramming, full cycle test.

Intervention time · 30-45 min
CAME DIRNice WingoBFT
Parts replaced
Pair of photocells· CAME, Nice
03 To addressFrequentProfessional intervention required

Flashing light on without movement

Likely causes
  • Active error code on the board50%
  • Photocell safety triggered30%
  • End-limit encoder dead20%
Solution
DIY fix

Count the flashes and check the manual for the error code.

Fermé-Lux intervention

Board display reading, error code identification (CAME E1-E9, Nice Er), fix or replace component.

Intervention time · 45 min
CAME ZA5Nice RobusFaac 400
04 UrgentFrequentProfessional intervention required

Gate forces and trips the breaker

Likely causes
  • Sliding rollers jammed or worn40%
  • Swing hinges seized by rust35%
  • Gear motor shorted25%
Solution
Fermé-Lux intervention

Cut power, release, full mechanical diagnosis, lubricate or replace rollers and hinges, motor current test.

Intervention time · 2h
BFT AresCAME BX-RFaac 391
Parts replaced
Set of rollers Ø80· CAME, BFTAdjustable swing hinges· Faac
05 SimpleVery frequentDIY possible

Remote control no longer responds

Likely causes
  • 12V or CR2032 battery flat60%
  • Unpaired from radio receiver25%
  • Transmitter quartz failing15%
Solution
DIY fix

Replace the battery and test from 2 metres of the receiver.

Fermé-Lux intervention

Receiver re-pairing (CAME TOP, Nice Flor-S, Somfy Keytis procedure), remote replacement if quartz dead.

Intervention time · 15 min
CAME TOPNice Flor-SSomfy Keytis
Parts replaced
Two-channel remote control· CAME, Nice
06 To addressFrequentProfessional intervention required

Sliding gate derails or grinds

Likely causes
  • Worn running rollers45%
  • Misaligned or bent rack35%
  • Ground rail bent by impact20%
Solution
Fermé-Lux intervention

Roller replacement, rail straightening, rack-to-pinion realignment, greasing.

Intervention time · 2-3h
CAME BX-RBFT DeimosNice Robus
Parts replaced
Bearing rollers Ø80· CAME, BFTNylon rack 1m· Nice
07 SimpleFrequentProfessional intervention required

Gate slows down at end of travel

Likely causes
  • Slow-down ramp misprogrammed50%
  • Motor capacitor losing charge30%
  • Encoder dirty or desynced20%
Solution
Fermé-Lux intervention

Approach ramp reprogramming, capacitor test with capacimeter, replace if out of spec.

Intervention time · 45 min
Nice WingoCAME ZA5BFT
Parts replaced
Capacitor 10-12µF· Nice, CAME
08 SimpleRareProfessional intervention required

Keypad rejecting the code

Likely causes
  • Code forgotten or memory wiped40%
  • Keypad dead after water ingress35%
  • Radio transmitter unpaired25%
Solution
Fermé-Lux intervention

Master code reprogramming, sealing test, keypad replacement if internal corrosion.

Intervention time · 30 min
CAME S6000Nice EDSBBFT
Parts replaced
Radio code keypad· CAME, Nice
09 To addressFrequentDIY possible

Photocells reverse without obstacle

Likely causes
  • TX/RX optical misalignment45%
  • Dirty lenses (rain, dust)35%
  • Oxidised wiring on terminals20%
Solution
DIY fix

Clean lenses with microfibre and check visual alignment.

Fermé-Lux intervention

Laser TX-RX realignment, oxidised terminal replacement, wiring continuity test.

Intervention time · 45 min
CAME DIRNice BFBFT Compacta
Parts replaced
Pair of waterproof photocells· CAME, BFT
10 To addressRareProfessional intervention required

CAME ZA5 board shows E1 code

Likely causes
  • Photocell test failed at startup50%
  • Safety wiring non-compliant30%
  • Board to replace if error persists20%
Solution
Fermé-Lux intervention

2-CX terminal jumper check, powered-off photocell test, DIP parameter correction, ZA5 board replacement if hardware fault.

Intervention time · 1h
CAME ZA5CAME ZBX
Parts replaced
CAME ZA5 board· CAME
11 SimpleFrequentDIY possible

Remote works at 2m not 10m

Likely causes
  • Battery weak despite appearance50%
  • Receiver antenna broken or missing30%
  • Neighbourhood radio interference20%
Solution
DIY fix

Fit a fresh branded battery and test at varying distances.

Fermé-Lux intervention

433 MHz wire antenna refit, receiver relocation away from interference, range test.

Intervention time · 30 min
CAMENice Flor-SSomfy
Parts replaced
Antenna 433 MHz· CAME, Nice
12 To addressFrequentProfessional intervention required

Programming lost after power outage

Likely causes
  • Board memory battery (CR2032) dead55%
  • Surge on EDF line25%
  • Ageing board to replace20%
Solution
Fermé-Lux intervention

Memory battery replacement, end-limit and remote reprogramming, surge protector fitting if repeated surges.

Intervention time · 1h
CAME ZA5BFT DeimosFaac E045
Parts replaced
Memory battery CR2032· CAMEModular surge protector· Legrand
13 SimpleRareProfessional intervention required

Swing leaf vibrates on opening

Likely causes
  • Articulated arm loose or with play45%
  • Hydraulic ram losing oil35%
  • Stop missing or broken20%
Solution
Fermé-Lux intervention

Arm retightening, ram sealing check, concrete floor stop fitting, board speed setting.

Intervention time · 1-2h
Somfy AxoviaFaac 400Nice Wingo
Parts replaced
Articulated arm· Somfy, NiceHydraulic cylinder 24V· Faac
14 UrgentRareProfessional intervention required

Motor makes grinding gear noise

Likely causes
  • Motor pinion worn or broken45%
  • Gear motor bearings dead35%
  • No grease in the housing20%
Solution
Fermé-Lux intervention

Gear motor strip, bronze pinion and bearings replacement, regreasing, reassembly with calibrated torque.

Intervention time · 2-3h
CAME BX-RNice RobusBFT Deimos
Parts replaced
Motor pinion Z18· CAME, BFTComplete gear motor· Nice
15 To addressFrequentProfessional intervention required

Obstacle detection reverses mid-travel

Likely causes
  • Amperometric sensitivity misadjusted45%
  • Mechanical hard point on path35%
  • Magnetic encoder faulty20%
Solution
Fermé-Lux intervention

Board amperometric threshold setting, hard-point lubrication, encoder replacement if unstable signal.

Intervention time · 1h
BFT DeimosCAME ZA5Nice Robus
Parts replaced
Magnetic encoder· BFT, Nice
Urgent

NEVER do this

  • 01

    Never force a gate manually without engaging the manual release

    Risk of breaking the gear motor and internal gears

  • 02

    Never run a gate without photocells when children or pets are around

    Crushing risk — EN 13241 formally prohibits it

  • 03

    Never re-energise after a short-circuit without diagnosis

    Risk of re-burning the control board and motor windings

  • 04

    Never work on the 230V without cutting the dedicated breaker

    Risk of fatal electrocution — always lock out before opening the enclosure

FAQ

Frequently asked questions

A quality motor (CAME, Nice, BFT, Faac) lasts 12 to 18 years depending on exposure. Photocells and remotes are replaced sooner. Boards and gear motors typically fail after 10-15 years of daily use.

In summary

In summary

Under 10 years, faults mostly concern photocells and remotes — short consumable interventions. Beyond that, board, capacitor and gear motor fail. Fermé-Lux services CAME, Nice, BFT, Faac, Somfy, Marantec and Motorline, even older models.

  • 1Under 10 years, faults mostly concern photocells and remotes — short consumable interventions.
  • 2Beyond that, board, capacitor and gear motor fail.
  • 3Fermé-Lux services CAME, Nice, BFT, Faac, Somfy, Marantec and Motorline, even older models.
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Your closure is down — rapid repair

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