Service - Rear Cover Components; Mag Contact Assembly - Bunn Ultra NX Service & Repair Manual

MAG Contact Assembly

FIG. 7 MAG CONTACT ASSEMBLY
Location:
The LED mag contact assembly is located in the
top center of the cooling drum mount.
Rear Cover Removal:
1. Remove 4 screws securing rear cover.
2. Grab cover and pull away from machine.
Test Procedures:
1. Perform LED/CBA & Mag Cord Assembly test
procedure.
2. If a Lid Light does not illuminate, check to ensure
Mag Contact 2-pin connector is connected to
the machine wiring harness.
3. Check the Input and Output voltage at the Mag
Contact 2 pin wring connector when performing
the LED/CBA & Mag Cord Assembly test
procedure.
4. 24VDC present on the input side and not the
Output side - Replace Mag Contact Assembly
24VDC not present on the input side (machine
wiring harness connector) - Retrace the wiring
circuit to find the fault.
Part Removal and Replacement:
1. Disconnect the dispenser from the power source.
2. Locate the Mag Contact Assembly 2-pin wire
connector, push-in tab to release connector from
machine wiring harness connector.
3. Unscrew the nut securing the Mag Contact
Assembly.

SERVICE - REAR COVER COMPONENTS

4. Lift Mag Contact Assembly from the cooling
drum mount hole.
5. Replace Mag Contact Assembly into cooling
drum mount hole and secure with nut.
6. Reconnect Mag Contact 2-pin connector to the
machine wiring harness connector.
FIG. 8 MAG CONTACT ASSEMBLY
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