Reasons why Garage Door Sensors Malfunction
                     Reasons why Garage Door 
Sensors Malfunction
Reasons why Garage Door 
Sensors Malfunction
1..  Garrage  Doorr  Won’’tt  Cllosse::  The  verry  fifirrsstt  ssiign  off  any  iissssue  wiitth  yourr  
garrage  doorr  ssenssorr  iiss  when  tthe  doorr  won’’tt  cllosse..  IIff  tthe  doorr  openss  
ssmootthlly  butt  hass  diiffifficulltty  iin  cllossiing,,  ttherre  iiss  a  prrobllem  wiitth  tthe  doorr  
ssenssorr..  
Reasons why Garage Door 
Sensors Malfunction
2..  Photto--Eye  Senssorr  Liighttss::  Generralllly,,  photto--eye  ssenssorrss  on  tthe  ttrrack  off  
yourr  doorr  arre  arround  6--iinchess  above  tthe  grround..  One  off  tthe  ttwo  garrage  
doorr  ssenssorrss  iindiicattess  grreen  lliightt,,  and  tthe  ottherr  one  sshowss  a  rred  LED  lliightt..  
The  grreen  lliightt  meanss  ssendiing  off  tthe  beam  off  lliightt,,  wherreass  rred  lliightt  sshowss  
tthatt  iitt’’ss  rreceiiviing  tthe  lliightt..  Butt  iiff  anytthiing  iiss  wrrong  wiitth  tthe  ssenssorr,,  tthesse  
lliighttss  eiittherr  ssttarrtt  blliinkiing  orr  go  outt..  Thiiss  meanss  ssometthiing  iiss  iintterrrruptiting  
tthe  ssiignall  bettween  tthe  ssenssorrss  orr  garrage  doorr  ssenssorr  lliighttss  arre  nott  att  tthe  
ssame  llevell..
Reasons why Garage Door Sensors 
Malfunction
3..  Senssorr  Lenssess::  IIff  you  ssttay  on  a  bussy  ssttrreett  and  lleave  tthe  garrage  doorr  
open  quiitte  oftften,,  tthe  ssenssorr  llenssess  arre  lliikelly  tto  accumullatte  diirrtt  and  dusstt..  
Siincce  tthe  garrage  doorr  ssenssorrss  arre  ssmallll,,  tthey  arre  lliikelly  tto  gett  diirrtty  wiitth  
titime  and  iitt  can  ffurrttherr  ssttop  ssendiing  a  ssiignall  when  operratiting  tthe  doorr..  To  
deall  wiitth  tthiiss  iissssue,,  you  musstt  rremove  tthe  dusstt  ffrrom  tthe  ssenssorr  arround  tthe  
garrage  doorr..
Reasons why Garage Door Sensors 
Malfunction
4..  Senssorr  Powerr  Supplly::  IIff  yourr  garrage  doorr  ssenssorrss  sshow  a  grreen  lliightt,,  iitt  
meanss  ttherre  iiss  notthiing  wrrong  wiitth  tthe  powerr  ssupplly..  IIff  botth  lliighttss  off  tthesse  
ssenssorrss  arre  offff,,  iitt  meanss  ttherre’’ss  no  powerr  ssupplly..  Butt  when  tthe  powerr  iiss  
essttablliisshed,,  tthe  garrage  doorr  ssenssorrss  become  operratitionall  agaiin..
Reasons why Garage Door Sensors 
Malfunction
5..  Senssorr  Wiirre  Damage::  Wiirre  damage  iiss  anottherr  iissssue  wiitth  ssenssorrss  on  tthe  
garrage  doorr..  To  rressollve  tthiiss  iissssue,,  you  musstt  iinsspectt  allll  yourr  wiirress  attttached  
tto  tthe  ssenssorr  on  tthe  back  off  iittss  openerr..  IIff  tthe  wiirress  arre  unwoven  and  
ttanglled,,  you  can  check  iiff  any  off  tthem  arre  ttwiisstted  orr  brroken..  IIff  wiirress  cannott  
be  rrepaiirred,,  you  need  tto  conssiiderr  garrage  doorr  ssenssorr  rrepllacementt..
Reasons why Garage Door 
Sensors Malfunction
Address: 1291 Simpson Way Ste. C 
City: Escondido
State: CA
Postal code:  92029
Country: United States
Office Phone No. 800-576-1397
Email Id: [email protected]
Website - 
www.castlegaragedoors.com
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