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Garage Door Technician
Garage Door Electrical Controls Certification
Electrical Troubleshooting & Diagnostics
Knowledge Check
Electrical Troubleshooting & Diagnostics
Knowledge Check
Knowledge Check
1 / 21
A garage door opener's LED flashes 4 times repeatedly. According to common flash code patterns, what does this indicate?
A
Remote battery low
B
Logic board failure
C
Sensor eyes misaligned
D
Motor overload
Check Answer
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