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MM272 Installation Instructions
Warranty Repair
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 (
).
2. Use the 24/7 Troubleshooting "Wizard" located at
3. If you are unable to solve the problem, call the Nortek Security & Control 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 Nortek Security & Control without a Return Authorization (RA) number in LARGE
BOLD PRINT on the outside of the package WILL NOT be accepted. Also, items returned to Nortek Security &
Control freight collect WILL NOT be accepted.
Mighty Mule Technical Service and Installation Assistance
8:00am–7:00pm • Monday–Friday (EST)
Toll Free Support: 800-543-1236
24/7 Troubleshooting Wizard link found at:
Symptom
Diagnosis
Check
Power (green) ON
AC or solar power present
Normal Operation
Power (green) OFF
No AC or solar power
Transformer:
h
Breaker or GFI
h
Power at AC outlet
h
Output of transformer at 19 Vdc
h
Voltage on wire from transformer at control board input at 19 Vdc
Solar:
h
Wiring for solar panel(s) using correct polarity
h
Weather conditions, amount of sunlight
h
Placement of solar panel(s) is in direct sunlight
h
Output of solar panel(s) based on weather conditions
h
Voltage on wire from solar panel(s) at control board input
Status (amber)
Receiving RF Signal
h
Check for a stuck transmitter
h
Receiving RF interference
Visual Feedback
Summary of Contents for MM272
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