Indicator Light, How To Replace; Buzzer Alarm, How To Replace - Nu-Vu SUB-123 Owner's Manual

SERVICE AND REPLACEMENT GUIDE
E. Position the Micro Switch in the door jamb and install the second mounting nut on the end of the
threaded shaft. The second nut should finish flush with the end of the threaded shaft. Gently
tighten it there.
F. Carefully replace the Oven insulation and the Micro Switch Cover Plate on the outside of the unit's
frame.
G. Restore electrical power to the unit and test the Door Micro Switch for proper operation.

INDICATOR LIGHT, How To Replace:

MAKE SURE ALL POWER TO THE UNIT IS OFF. FAILURE TO DO SO MAY CAUSE
SEVERE EQUIPMENT DAMAGE OR PERSONAL INJURY!
The Indicator Lights tell when a System or Control is activated. Failure of the Indicator Light itself will
not affect the operation and performance of your equipment.
A. Remove the Control Panel on the face of the unit to expose the wiring connections for the
Indicator Lights.
B. Tag the electrical connections to the defective Indicator Light and disconnect the wires of the
Indicator Light at these points.
C. Remove the defective Indicator Light by pushing it out through the front of the Control Panel.
D. Install the replacement Indicator Light, wires first, from the front of the Control Panel until the
metal collar on the Indicator Light is tight against the front of the Panel.
CAUTION: DO NOT PULL ON THE INDICATOR LIGHT WIRES WHILE INSTALLING THE
E. Refasten the wire connections. Make sure all connections are clean and tight.
F. Replace the Control Panel on the face of the unit, being careful not to pull or pinch any wires
while replacing the panel.
G. Restore electrical power to the unit and test the Indicator Light and it's associated Controls.

BUZZER ALARM, How To Replace:

MAKE SURE ALL POWER TO THE UNIT IS OFF. FAILURE TO DO SO MAY CAUSE
SEVERE EQUIPMENT DAMAGE OR PERSONAL INJURY!
A. Remove the Control Panel on the face of the unit to expose the wiring connections to the Buzzer
Alarms [16].
B. Remove the two screws securing the defective Buzzer to the mounting panel and lift the Buzzer
away from the panel.
C. Label and disconnect the Buzzer wiring, OR disconnect the wires one at a time and transfer them
to the identical locations on the replacement Buzzer. One terminal should lead back to "6" on the
back of the 60-MinuteTimer [24 or 36] or to "Out #2" on the back of the 99-Minute Digital Timer.
The other Buzzer wire should be connected to any common or group of common (white) wires.
Make sure all connections are clean and tight.
D. Position the replacement Buzzer on the mounting panel and secure it in place with the two
mounting screws.
E. Replace the Control Panel on the face of the unit, being careful not to pull or pinch any wires
while installing the panel.
F. Restore electrical power to the unit. Check the replacement Buzzer Alarm by setting the
appropriate Timer for any time over five minutes and letting it count down. The Buzzer should
sound when the Timer reaches "0".
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NU-VU FOOD SERVICE SYSTEMS
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REPLACEMENT INDICATOR LIGHT!
Sales Fax (906) 863-5889 ♦ Service Fax (906) 863-6322
SUB–123 OWNER'S MANUAL
MENOMINEE, MICHIGAN 49858-0035
(800) 338-9886