28
Visual Feedback
Symptom Diagnosis Check
Power (green) ON AC or solar power present Normal Operation
Power (green) OFF No AC or solar power Transformer:
¾ Breaker or GFI
¾ Power at AC outlet
¾ Output of transformer at 19 Vdc
¾ Voltage on wire from transformer at control board input at 19 Vdc
Solar:
¾ Wiring for solar panel(s) using correct polarity
¾ Weather conditions, amount of sunlight
¾ Placement of solar panel(s) is in direct sunlight
¾ Output of solar panel(s) based on weather conditions
¾ Voltage on wire from solar panel(s) at control board input
Status (amber) Receiving RF Signal ¾ Check for a stuck transmitter
¾ Receiving RF interference
Troubleshooting Guide
Mighty Mule Technical Service Department
Monday – Friday 8:00 A.M. – 7:00 P.M. (Eastern Time)
For 24 hour, 7 days a week troubleshooting and support online, go to our help center site at
http://www.mightymule.com/help-center/
Telephone (800) 543-1236
www.mightymule.com
If your Mighty Mule Gate Opener is not operating properly, please follow the steps below:
1. First use the procedures found in the Visual and Audible Diagnostic Indicators section (page 28).
2. Use the 24/7 Troubleshooting "Wizard" located at www.mightymule.com.
3. If you are unable to solve the problem, call the Nice North America Service Department at (800) 543-1236, or (850) 575-4144. Refer to the
serial number (located on the back of opener arm) and date of purchase when calling for assistance.
4. If replacement of your gate opener is necessary, the Service Department will assign a Return Authorization (RA) number to you for all
warranty repairs.
5. Securely pack the component(s) authorized for return to the factory. Write the RA number issued to you on the outside of the package in LARGE
BOLD PRINT and include a copy of the proof of purchase. Ship the package(s) freight prepaid to the address supplied during the RA process:
NOTE: Products returned to Nice North America without a Return Authorization (RA) number in LARGE BOLD PRINT on the outside of
the package WILL NOT be accepted. Also, items returned to Nice North America freight collect WILL NOT be accepted.
Warranty Repair
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