RHI-1P(5-10)K-5G Tigo MLRSD Transmitter Disabling

Required Tools and Materials:

  • Phillips screwdriver #2
  • T20 screwdriver
  • 10mm socket wrench
  • Technician screwdriver
  • Electrical tape


  1. First, turn off the AC breaker and open (turn off) the DC switch of the inverter - use a multimeter to verify that the inverter is completely deenergized - remove and cap DC strings if necessary
  2. Using a 10mm socket, remove the four nuts securing the AC cover plate and then remove the plate itself
  3. With the same 10mm socket and also a T20 screwdriver, remove the two nuts and two fasteners shown below
  4. Carefully pull the central wiring harness up and out of the wire box so that you are able to access the Tigo transmitter underneath. Then use a technician screwdriver to loosen the two small wires landed in the top of the transmitter. These are the power supply cables, make sure to tape them off with electrical tape so they do not come into contact with anything else in the inverter. You can completely remove the cables if you wish.
  5. Replace the central wiring harness and then reinstall the fasteners and nuts. Reinstall the AC cover plate and then the inverter can be turned back on. 


Victor is the author of this solution article.

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