Although E.T. Systems provide high quality products, Challenger garage door repair may be necessary at times. In this case you may refer to a Challenger garage door opener manual for help. Alternatively, you may use the table below. The Challenger garage door troubleshooting information that it contains will be enough to understand the type of the issue judging by the signals from the red and green LEDs.
Allister 3000 garage door opener troubleshooting
| Diagnostic condition | Red led | Green led |
| Normal Operation | Off | Off |
| Learn Mode | On | |
| Memory Full | On for 25 sec, auto off | |
| Decode RF Signal | Short fast blink | |
| Shorted Push Button or Wire to Button | Off | On |
| Photobeam Obstruction | Fast blink | |
| Contact Reverse | Fast blink | Off |
| Stuck Relay | Slow blink | |
| Stuck Open Limit | Off | Slow blink |
Garage door operators sold under the Challenger brand are made by E.T. Systems. This South-African company designs, manufactures and sells electronic security equipment and accessories. If was established in 1989.
Challenger 9300 garage door opener troubleshooting
| PROBABLE CAUSE: | SOLUTION: |
|---|---|
| Mechanical door lock enabled | Disable or remove all door locks. |
| 120 Volt power not present at outlet | Check wall switch, fuse box, circuit breaker, etc. |
| Broken or shorted Push Button, wiring or radio receiver | Remove Push Button wiring and Radio Receiver from the terminal strip on the back panel of the operator. Activate Opener by momentarily connecting Terminals 1 & 2 with a test wire. If Opener runs, reconnect items one at a time to find defective circuit. Replace. |
| Grid lock on Motor Control Board | Unplug Opener, then reconnect. |
| Motor Thermal Overload Protector opened | Wait 30 minutes for Motor to cool, try again. |
| Door jammed due to broken or incorrectly adjusted spring | Ensure that door is in a closed position. Activate Emergency Release Mechanism. If Opener will run without door attached, contact your Allstar garage door professional to repair door. |
| Defective Motor Control Board | Contact your local Allstar garage door professional. |
| Weak Battery in Transmitter | Replace Battery. |
| Radio Coding Switches mismatched | Reset Switches to identical codes. |
| Improper placement of Limit Stops on Chain | Correctly place of Limit Stops. |
| Door obstructed | Remove all obstructions from door area. |
| Defective Transmitter or Receiver | Contact your Allstar garage door professional. |
| Up sensitivity force improperly adjusted | Adjust sensitivity. |
| Down sensitivity' force improperly adjusted | Adjust sensitivity. |
| Bottom of door frozen to ground | Activate Emergency Release, clear away ice. |
| Ice and snow built up under door | Clear away ice and snow to allow door to close. |
| Someone in area with identical code | Reset all radio controls to new code. |
| Defective or burned out lamp bulb | Replace with rough service bulb (60W max.) |
| Radio Receiver not receiving signal | Ensure that antenna wire from Opener is pointing straight down toward the floor. |
| Transmitter location in car | Ensure Transmitter is clipped to sun visor. If it is clipped to dashboard or in ashtray, etc., range will be diminished. |