Bunn System III Operating & Service Manual page 8

TROUBLESHOOTING (cont.)
Problem
Brew cycle will not start (cont.)
Automatic refill will not operate
Probable Cause
3. ON/OFF switch
4. Start switch
5. Timer
6. Dispense Valve
7. Digital Brewer Control
1. No water
2. Water strainer/flow control (.500
GPM)
3. Limit thermostat (Electro/me-
chanical and Digital Brewer Control)
4. Overflow protection switch
5. (A) Level control board & level
probe. (Electro/mechanical)
(B) Digital Brewer Control Assem-
bly (DBC)
Page 8
Remedy
Refer to Service - ON/OFF switch for
testing procedures. See page 28
Refer to Service - Start switch for
testing procedures. See page 32
Refer to Service - Timer for testing
procedures. See page 34 or 35
Refer to Service - Dispense valve for
testing procedures. See page 21
Refer to Service - Digital brewer
controls for testing procedures. See
page 22 step 4
Check plumbing and shut-off valves.
(A) Direction of flow arrow must be
pointing towards the right.
(B) Remove the strainer/flow con-
trol and check for obstructions. Clear
or replace.
Refer to Service - Limit thermostat
for testing procedures. See page 27
Refer to Service - Overflow protec-
tion switch for testing procedures.
See page 29
Refer to Service - Level control board
for testing procedures. See page 25
Refer to Service - Digital brewer
control for testing procedures. See
page 22 step 2
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