Bunn Coffee Machine CWTF35-APS, SF

Warning: Ensure the coffee machine is unplugged before starting the procedure

Blue wire and white/red wire removed from the start switch

Clips inside the hood compressed and start switch gently pushed through the opening

New switch pushed into the opening and clips spread to hold the start switch in the hood

Wires reconnected to the new switch

Sign off on the start switch replacement

Warning: Disconnect the brewer from the power supply before starting the test

Voltage across the black and white wires on 120 volt models or the black and red wires for 120/240 volt models, 200 volt models and 230 volt models with a voltmeter

If voltage is not present as described, check wiring harness

Disconnect the black wire and the white or red wire from the tank heater terminals

Check for continuity across the tank heater terminals

If continuity is not present as described, replace the tank heater

NOTE- If the tank heater remains unable to heat, remove and inspect heater for cracks in the sheath

Sign off on the tank heater test

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

White or red wire removed from the upper terminal and black wire from the center terminal

Voltage across the white or red wire and the black wire

If voltage is not as described, refer to the Wiring Diagrams and check the brewer wiring harness

Black wire removed and wire from the lower terminal removed

Continuity present across the center and lower terminal with the switch in the 'ON' position

Continuity not present when the switch is in the 'OFF' position

Warning: Always unplug the machine before cleaning

Cleaned all surfaces with a damp cloth rinsed in mild, non-abrasive, liquid detergent

Checked and cleaned the sprayhead

Inserted the deliming spring all the way into the sprayhead tube and sawed back and forth five or six times

Is the machine located in a hard water area?

Note: In hard water areas, step 4 may need to be done daily

Sign off on the coffee machine cleaning

Disconnect the timer socket from the brewer wiring harness and the timer leads from the solenoid valve

Remove the one #8-32 screw securing timer to component bracket

Install new timer on component bracket securing with one #8-32 screw

Upload a photo of the reconnected wires

Enter the timer dial adjustment

Sign off on the timer replacement