Service, Troubleshooting – Bunn WDG-2 User Manual

Page 14

SERVICE

This section provides procedures for testing and

replacing various major components used in this
grinder should service become necessary. Refer to

Troubleshooting

for assistance in determining the

cause of any problem.

WARNING - Inspection, testing, and repair of electri-
cal equipment should be performed only by qualified
service personnel. The grinder should be unplugged
when servicing, except when electrical tests are re-
quired and the test procedure specifically states to
plug-in the grinder.

Component Access

WARNING - Unplug the grinder before the removal of
any panel or the replacement of any component.

All components are accessible by the removal

of the upper and lower front inspection panels, hop-
per assembly, and rear panel.

The upper front inspection panel is attached with

four 8-32 slotted head screws.

The lower front inspection panel is attached with

four 6-32 slotted head screws.

The rear panel is attached with eight 8-32 slot-

ted head screws.

NOTE: Disconnect fan motor leads from main wiring
harness.

The lid is attached to hopper divider with four

6-32 slotted head screws. Hopper dividers attached
to hopper and housing with two 6-32 slotted head
screws. Remove lid and hopper divider as an assem-
bly.

CONTENTS

Fan ............................................................. 20
Fuse ........................................................... 20
Hopper Selector Switch ............................. 13
LED ............................................................ 21
Motors ....................................................... 14
Motor Circuit Assembly ............................. 16
Off/On/Start Switch .................................... 13
Timer ......................................................... 16
Weigh Control Board ................................. 18
Weigh Control Assembly ........................... 21

NOTICE

For connection to Bunn-Omatic

Coffee Brewer Models:

Dual, OT, Single, & System III only.
(24 volt N.E.C. Class 2 circuit only.)

BUNN

MANUFACTURED BY BUNN-O-MATIC CORPORATION
SPRINGFIELD, ILLINOIS, U.S.A.

MODEL

S/N

VOLTS A.C. AMP WATTS
PHASE WIRE HERTZ

COVERED UNDER ONE OR MOREOF THE FOLLOWING PATENTS :

ONE OR MORE OTHER PATENTS MAY BE PENDING

Use only on a properly protected circuit
capable of the rated load.
Electrically ground the chassis.
Follow national/local electrical codes.
Do not use near combustibles.

An extension cord, when used, must be shorter

than 20 feet if 16-gage 3-conductor wire, or

shorter than 10 feet if 18-gage 3-conductor wire.

FAILURE TO COMPLY RISKS EQUIPMENT

DAMAGE, FIRE, OR SHOCK HAZARD

READ THE ENTIRE OPERATING MANUAL

INCLUDING THE LIMIT OF WARRANTY AND

LIABILITY BEFORE BUYING OR USING THIS PRODUCT

WARNING

01311.0001(10)

02328.0004(4)

25713.0000

25716.0000(2)

PERSONAL INJURY

HAZARD.

KEEP FINGERS AND

FOREIGN OBJECTS

OUT OF HOPPER

OR CHUTE OPENING.

CAUTION

P737

P735

P738

P736

10854 030300