Bunn Hot Water Dispencer H5X-60-240

Warning: Disconnect the dispenser from the power source and turn-off the water supply to the dispenser

Pink wire removed from terminal 5 of the electronic control board

Voltage across the solenoid valve coil terminals

If voltage was not present as described, check the dispenser wiring harness

Both wires removed from the solenoid valve coil terminals

Continuity present across the solenoid valve coil terminals

If continuity is not present as described, replace the solenoid valve coil

Solenoid valve coil action checked

Warning: Disconnect the dispenser from the power source before starting the test

Voltage across terminals 3 & 4 of the electronic control circuit board

Voltage across the tank heater terminals

Was the voltage present as described?

If voltage was not present as described, contact Bunn-O-Matic to order an electronic control board and temperature sensor for evaluation

Replace the electronic control board

Voltage across the tank heater terminals after replacing the electronic control board

Was the voltage present as described after replacing the electronic control board?

Remove all wires from the level control board

Remove two #8-32 screws holding level control board and mounting bracket to the component bracket

Install the new level control board and mounting bracket to the component bracket

Upload a photo of the reconnected wires

Sign off on the board replacement

Disconnect the dispenser from the power source

Remove the top cover (3 screws) and front shroud assembly (4 screws)

Remove the top 2 screws and loosen 2 lower screws securing control panel to shroud

Disconnect switch wires from the CBA

Remove the large nut securing the switch

Installation in the reverse order

Sign off on the Dispense Switch Replacement

Warning: This test requires trained personnel with PPE!

Disconnect the dispenser from the power source

Remove the blue wire from terminal 1 and the pink wire from terminal 4 of the circuit board

Voltage across terminals 2 and 3

Disconnect the dispenser from the power source

Reconnect the blue wire to terminal 1

Connect a piece of insulated jumper wire to terminal 4

Touch the free end of jumper wire to the dispenser housing