Bunn FMD-5 User Manual
12
SERVICE
This section provides procedures for testing and replacing various major components used in this dispenser
should service become necessary. Refer to Troubleshooting for assistance in determining the cause of any
problem.
WARNING - Inspection, testing, and repair of electrical equipment should be performed only by qualified service
WARNING - Inspection, testing, and repair of electrical equipment should be performed only by qualified service
personnel. The dispenser should be disconnected from the power source when servicing, except when electrical
tests are required and the test procedure specifically states to connect the dispenser to the power source.
COMPONENT ACCESS
WARNING - Disconnect the dispenser from the power source before the removal of any panel or the replacement
WARNING - Disconnect the dispenser from the power source before the removal of any panel or the replacement
of any component.
All components are accessible by opening the door, removal of the door panels, dispenser top covers,
hopper(s), hopper support plate, splash guard, splash panel w/drip tray, lower front access panel and rear ac-
cess cover.
Refer to the contents listing for component location.
INDEX
Access Panels ..................................................................................................................................13
Auger Drive Components .................................................................................................................14
Auxillary Control Board (FMD DBC-3) ..............................................................................................17
Ballast ..............................................................................................................................................19
Control Board (Main) ..................................................................................................................20,23
Control Thermostat ..........................................................................................................................26
Dispense Switches ...........................................................................................................................28
Digital Touch Control Switch ............................................................................................................29
EMI Filter (FMD DBC-3) ...................................................................................................................31
Fan ...................................................................................................................................................32
Frother ............................................................................................................................................33
Hopper Drive Board (FMD-1) ...........................................................................................................35
Hot/Cold Switch (FMD DBC-3) .........................................................................................................37
Increase/Decrease Switch ................................................................................................................38
Lamp ................................................................................................................................................39
Lamp Holder ....................................................................................................................................39
Lamp Starter & Socket .....................................................................................................................40
Level Control Board (FMD-1) ...........................................................................................................41
Limit Thermostat ..............................................................................................................................43
Overflow Protection Switch ..............................................................................................................44
Rinse/Run Switch ............................................................................................................................45
Solenoid (Cold Drink) .......................................................................................................................46
Solenoid (Dispense) .........................................................................................................................47
Solenoid (Hot Water) .......................................................................................................................48
Solenoid (Inlet) ................................................................................................................................49
Tank Heater ......................................................................................................................................50
Tank Heater Relay (FMD-4,5) ...........................................................................................................51
Tank Heater Switch ..........................................................................................................................52
Transformer .....................................................................................................................................53
Whipper Motor .................................................................................................................................34
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