Bunn OL Owner's Manual

Page 18

FIG. 17 INDICATOR LAMP WIRING

FIG. 15 INDICATOR LAMPS - MODEL OL

FIG. 16 INDICATOR LAMP - MODEL RL

4.  Disconnect the brewer from the power source.

If voltage is present, the indicator lamp is operating 

properly.

If voltage is not present, replace the indicator lamp.

Removal and Replacement:

1.  Compress the clips inside the housing and gently 

push the indicator lamp through the opening.

2.  Remove the wires from the indicator lamp termi-

nals.

3.  Refer to FIG. 17 when reconnecting the wires.

4.  Push the new indicator lamp firmly into the 

opening.

Location:

The indicator lamps are located beneath their associ-

ated warmers, FIG.s 15 and 16.

Test Procedure:

1.  Check continuity of the black wire from the switch 

to the indicator lamp.

2.  Check continuity of the white or red wire from 

the indicator lamp to the terminal block.

If continuity is present, proceed to #3.

If continuity is not present, refer to Wiring Diagrams 

and check brewer wiring harness.

3.  Check for voltage across the indicator lamp ter-

minals. Connect the brewer to the power source. 

The indication must be:

 

a) 120 volts ac for two wire 120 volt models and 

three wire 120/240 volt models.

 

b) 200 or 240 volts ac for two wire 200 volt or 

240 volt models.

 

c) 100 volts ac for two wire 100 volt models.

MODEL

OL Upper

BLK

to Warmer Switch

 

WHI or RED 

to Warmer

 

 

to Harness P2

OL Lower

BLK

to On/Off Brew Station Warmer

 

 

  Switch

 

WHI or RED 

to Relay P2

 

 

to Brew Station Warmer

 

 

RL

BLK

to On/Off Brew Station Warmer

 

 

  Switch

 

WHI or RED 

to Right Front Warmer

 

 

to Left Front Warmer

P1712

P1713

P1694

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