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PROBLEM
QESTIONS
POSSIBLE CAUSE
SOLUTION
Module Not Operating
N/A
a. Bad power/ground connection
b. Defective module
a. Fix connection
b. Replace module
Single Function
not working
N/A
Bad connection for that function
Fix wire connection for the corresponding function
No functions
N/A
a. Bad power/ground connection
b. Defective module
a. Fix connection
b. Replace module
Troubleshooting: