Harbor Freight Tools 47821 Garage Door Opener User Manual


 
SKU 47821 For technical questions, please call 1-800-444-3353 Page 18
TROUBLESHOOTING
Symptom Possible Cause Remedy
Gate does not open when
Remote Control T1 is
pressed.
Remote Control battery dead.
No power to Control Box.
Remote Control program wrong.
1.
2.
3.
Replace battery.
Check power source and all fuses.
Reprogram Remote Control.
1.
2.
3.
One Actuator Arm opens,
while the other closes.
Incorrect wire connections to M1 and
M2 on the circuit board.
Check Actuator Arm connections as
shown on page 12.
Gates do not close after
opening.
Blown Fuse inside Control Box.
Control Board in “Manual” Mode.
1.
2.
Replace 10A fuse in Control Box.
Use Remote or Key Switch to close
gates. See Automatic Gate Wing
Closing section for mode-setting
instructions.
1.
2.
Warning Light does not
function.
Light bulb burned out.
Fuse blown.
1.
2.
Replace light bulb (12V, 10W)
Replace 10A fuse in Control Box.
1.
2.
Actuator Arm motor works
slowly after years of use.
Motor brushes are worn.
Have motor brushes replaced by a
qualified technician.
0.8 amp fuse burned out.
Control Box Transformer burned.
Short circuit in motor supply
voltage.
1.
2.
Replace Transformer.
Check Actuator Arm cables for short
circuits.
1.
2.
10 amp fuse burned out.
Optional battery fault.
Warning Light short circuit.
1.
2.
Replace optional battery.
Check light bulb and wiring.
1.
2.
Control Box green LED off.
No 110 VAC power.
0.8 amp fuse blown.
1.
2.
Check power supply.
Check circuit breakers and internal
fuses.
1.
2.
PLEASE READ THE FOLLOWING CAREFULLY
THE MANUFACTURER AND/OR DISTRIBUTOR HAS PROVIDED THE PARTS DIAGRAM
IN THIS MANUAL AS A REFERENCE TOOL ONLY. NEITHER THE MANUFACTURER
NOR DISTRIBUTOR MAKES ANY REPRESENTATION OR WARRANTY OF ANY KIND
TO THE BUYER THAT HE OR SHE IS QUALIFIED TO MAKE ANY REPAIRS TO THE
PRODUCT OR THAT HE OR SHE IS QUALIFIED TO REPLACE ANY PARTS OF THE
PRODUCT. IN FACT, THE MANUFACTURER AND/OR DISTRIBUTOR EXPRESSLY
STATES THAT ALL REPAIRS AND PARTS REPLACEMENTS SHOULD BE UNDERTAKEN
BY CERTIFIED AND LICENSED TECHNICIANS AND NOT BY THE BUYER. THE BUYER
ASSUMES ALL RISK AND LIABILITY ARISING OUT OF HIS OR HER REPAIRS TO THE
ORIGINAL PRODUCT OR REPLACEMENT PARTS THERETO, OR ARISING OUT OF
HIS OR HER INSTALLATION OF REPLACEMENT PARTS THERETO.