Bunn dual sh dbc Servisní příručka stáhnout pdf (Strana 28)

Page 28

SERVICE (cont.)

Test Procedures:

1. Disconnect the brewer from the power source;

2. Remove the wires from the (+) and (-) terminals on

the rectifier to be tested.

3. With a voltmeter check the voltage across the (+)

and (-) terminals on the rectifier. Connect the

brewer to the power source. The indication must

be 24 volts dc.

4. Disconnect the brewer from the power source.

If voltage is present as described, the rectifier is

operating properly.

If voltage is not present as described, refer to the

brewer wiring diagrams and check the brewer wiring

harness.

FIG. 27 SERVER DETECT RECTIFIER TERMINALS

P1381

YEL to Interface Circuit Board J2-2 (Left)

ORA to Interface Circuit Board J2-1 (Right)

BLU/BLK to Transformer #7

BLK to Interface Circuit Board

J2-5 & J2-6

BLU/BLK to Circuit Breaker

RECTIFIERS

FIG. 26 RECTIFIERS

P2232

Location:

One pair of rectifiers are located inside the base

housing on the right side of the base plate just in front

of the transformers. Another pair of rectifiers are

located in the hood housing just in front of the Water

Tank Assy.

Removal and Replacement:

1 Disconnect the wires from the rectifier.

2. Remove the #6-32 truss head screw securing the

rectifier to the brew base plate.

3. Remove the rectifier and discard.

4. Install new rectifier on base plate and secure with

a #6-32 truss head screw.

5. Refer to Fig. 27 & 28 when reconnecting the wires.

32248 100500

FIG. 28 FUNNEL LOCK RECTIFIER TERMINALS

P1381

RED to Funnel Lock Solenoid

BRN/BLK to DBC J1-15 & Indicator (Left)

RED/BLK to DBC J1-14 & Indicator (Right)

BLK to Funnel Lock Solenoid

Whi to Indicator Light & DBC J1-14

1 2 ... 23 24 25 26 27 28 29 30 31 32 33 34

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