25
No range from transmitter
Door opens randomly on its own
Unit responds to open/ close trigger by chirping
and flashing light, but won’t open or close
Unit beeps 3 times and then closes on its own
Crosstalk between external
receiver and onboard
receiver
Incorrect frequency
transmitter
Another transmitter
transmitting - frequency
blocked
Check for an external
receiver close to unit. Move
external receiver 2m - 4m
away.
Match the frequency to the
receiver
Change remote control system
frequency
Duplicate code being used
in the area
Faulty cable or switching
device to BT input
Recode the transmitter and
receiver
Remove wiring to BT input
and check cabling and
switching device on BT input
(Fig. 18.1 and 17.1)
Holiday Lock-out active
Deactivate Holiday Lockout
(see “Using Additional
Features” on page 20)
Auto-close active
Deactivate Auto-close
(see “Using Additional
Features” on page 20)
Unit will not auto-close
AUT jumper not on
Beams activated
Replace AUT jumper (Fig.
19.1)
Clear obstruction away
from door travel
Check beam alignment
Check beam cabling
Check beams wiring (Fig.
17.2)
TROUBLESHOOTING
