Question
have hunter icc controller and psr 22 relay.  when i turn station on, relay activates but then receive faulty ground error code on icc.  i have removed load and line wiring from psr, and only have the 2 lines connected to the C and P/MV and psr still trips and get same error code?  heard of this before?  robb

Answer
If your controller is not well grounded, this will sometimes happen.  Check the ground connection, and the wiring connections to the relay and pump.  Also make sure the pump is well grounded.  If this keeps happening, have the relay itself checked out.