17
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
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
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 ..................................................................................................................................18
Dispense Platform Removal .............................................................................................................19
Cabinet Fan ......................................................................................................................................20
Compressor .....................................................................................................................................21
Compressor Switch ..........................................................................................................................23
Condenser Fan .................................................................................................................................24
Control Board (Main) .......................................................................................................................25
Control Board (Portion Control Models) ..........................................................................................26
Circulation Pump .............................................................................................................................27
Dispense Switch ..............................................................................................................................28
Dispense Pump ................................................................................................................................29
Dispense Motor ................................................................................................................................30
Dispense Valve .................................................................................................................................31
Dispense Handles ............................................................................................................................32
LED Lamps ......................................................................................................................................33
Low Nitrogen Indicator LED .............................................................................................................34
Compressor Relay ............................................................................................................................35
Water Pump Relay ...........................................................................................................................36
Program Switch ...............................................................................................................................37
Inlet Solenoid ...................................................................................................................................38
Water Tank Solenoid ........................................................................................................................39
Water Tank Float Switch ...................................................................................................................40
Temperature Probe (Water Bath Thermistor) ...................................................................................41
Temperature Sensor .........................................................................................................................42
Transformer .....................................................................................................................................43
Water Pump Booster ........................................................................................................................44
Water Pressure Regulator ................................................................................................................45
Nitrogenator Assembly ....................................................................................................................46
Nitrogen Pressure Switch ................................................................................................................47
Nitrogen Regulator ...........................................................................................................................48
Nitro Stout Insert .............................................................................................................................49
Circuit Board Triac Map ....................................................................................................................50
Schematic Wiring Diagrams .............................................................................................................51
55124 021418