FTS 371 USER MANUAL
Flash Technology, LLC
Revision 4 – 9/7/2021
33
FTS 371 FH (L-864 LED)
LIGHT ENGINE (1370040)
Remove: The light engine “saucer” is designed to be replaced as a single assembly and is identical for the AC and
DC flashheads (FTS 371 FH AC, FTS 371 FH DC 24V, FTS 371 FH DC 48V)). Unfasten the two latches on the front of
the beacon’s base. Lift the light engine assembly to expose the wiring harness. Disconnect the light engine from
PCB1 by removing the connector at J1. Disconnect the ground wire that is attached to the light engine. Lower the
light engine to the closed position. Pull on the ring attached to the hinge pin and remove the hinge pin. Lift the
light engine assembly to remove it from the base.
Replace: Reinstall in reverse order.
LED DRIVER PCB (2433200 FTS 371 FH AC)(2433300 FTS 371 FH DC 24V)(2433301 FTS 371 FH DC 48V)
Remove: Unfasten the two latches on the front of the beacon’s base. Lift the light engine assembly to expose the
driver PCB. Disconnect the wires at PCB connector TB1. Unplug the connector at 12 position connector J1. Remove
the screws that attach the PCB to the base. Remove the PCB from the base.
Replace: Reinstall in reverse order. Be sure to reconnect cable ground conductor to PCB or flashhead base
connection point.
