Bunn Single Operating & Service Manual page 9

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. Control Assembly (Electronic)
1. No water
2. Water strainer/flow control (.330
GPM)
3. Limit thermostat (Electro/me-
chanical and Electronic)
4. Overflow protection switch
5. (A) Level control board & level
probe. (Electro/mechanical)
(B) Control Assembly (Electron-
ic)
6. Solenoid Valve
Page 9
Remedy
Refer to Service - ON/OFF switch for
testing procedures. See page 31
Refer to Service - Start switch for
testing procedures. See page 34
Refer to Service - Timer for testing
procedures. See page 36 & 38
Refer to Service - Dispense valve for
testing procedures. See page 22
Refer to Service - Electronic controls
for testing procedures. See pages
23 thru 27
Check plumbing and shut-off
valves.
(A) Direction of flow arrow must be
pointing towards brewer.
(B) Remove the strainer/flow control
and check for obstructions. Clear or
replace.
Refer to Service - Limit thermostat
for testing procedures. See page
30
Refer to Service - Overflow protec-
tion switch for testing procedures.
See page 32
Refer to Service - Level control
board for testing procedures. See
page 28
Refer to Service - Electronic controls
for testing procedures. See page 23
thru 27
Refer to Service - Solenoid valve for
testing procedures. See page 33
27038 091900