Bunn FMD-5, FMD-4 manual Tank Heater Switch all Models

SERVICE (cont.)

TANK HEATER SWITCH (all Models)

FMD DBC-3 shown
FIG. 54 TANK HEATER SWITCH	P1684.40
Location:

The tank heater switch located is inside the dispenser on the upper right of the whipper motor mounting panel.

Test Procedure:

1.Disconnect the dispenser from the power source.

2.Disconnect the black or white/brown wires from the main harness.

3.With the switch in the “ON” (lower) position check for continuity between the center and the upper

terminal. With the switch in the “OFF” (upper) position no continuity should be present between center and upper terminals.

If continuity is present as described, the heater “ON/ OFF” switch is operating properly.

If continuity is not present as described, replace the switch.

Removal and Replacement:

1.Refer to the hopper section in this manual and remove the hopper assemblies and the hopper support plate.

2.Remove the switch mounting nut on the front of the front panel.

3.Remove switch with wires attached from the rear of the front panel.

4.Remove the wires from the switch terminals and discard switch.

5.Refer to schematic wiring diagrams when recon- necting the wires.

5. Push new switch through hole in the front panel and secure with face nut.

7.Refer to the hopper section in this manual and install the hopper support plate and the hopper assemblies.

FIG. 55 TANK HEATER SWITCH TERMINALSP1219

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