DC Blue Garage Door Opener Troubleshooting

DC Blue Garage Door Opener Troubleshooting

Problem Cause Solution
Unit is deadAC fail or fuse blownCheck 220V AC mains is present
Check mains fuse 5Amp
Unit beeps once when triggered and will only open on second triggerMains failure occured while door was closedThis is an indication that the processor has checked for the close limit. All operations after the first trigger will not be affected and the unit will operate normally. This will occur every time power is re- instated.
Unit does not respond to remote transmitterTransmitter battery flatCheck transmitter battery. Replace if necessary.
Transmitter not programmed into onboard receiverCheck programming of onboard receiver
Transmitter not coded to external receiverCheck coding of external receiver.
Wiring fault between external receiver and control cardCheck wiring of external receiver
No range from transmitterCrosstalk between external receiver and onboard receiverCheck for an external receiver close to unit. Move external receiver 2m - 4m away.
Incorrect frequency transmitterMatch the frequency to the receiver
Another transmitter transmitting - frequency blockedChange remote control system frequency
Door opens randomly on its ownDuplicate code being used in the areaRecode the transmitter and receiver
Faulty cable or switching device to BT inputRemove wiring to BT input and check cabling and switching device on BT input
Unit responds to open/ close trigger by chirping and flashing light, but won’t open or closeHoliday Lock-out activeDeactivate Holiday Lockout
Unit beeps 3 times and then closes on its ownAuto-close activeDeactivate Auto-close
Unit will not auto-closeReplace AUT jumper
AUT jumper not on
Beams activatedClear obstruction away from door travel
Check beam alignment
Check beam cabling
Check beams wiring