(MT(V)1, MT(V)1A, MT(V)1B, MT(V)2, MT(V)2A, MT(V)2B, RMV1, RMV2)
If any of the fan protection (wired in series) devices trip the safety circuits M9.1 to M9.2 or M12.1 to M12.2 is opened a solution is to disconnect the defective motor or control electrically. Install a jumper on the overload or relay control contacts. Seal off the fan opening with a sheet of plastic. Reset the GR3 the NRL should start up with one fan disengaged. All other unit functions should be operational.