Bunn S Operating & Service Manual page 8

TROUBLESHOOTING (cont.)
PROBLEM
Brew cycle will not start (cont.)
(ST, STF, STA & STFA)
Water is not hot
Inconsistent beverage level in dis-
penser
PROBABLE CAUSE
3. ON/OFF switch
4. Start switch
5. Timer
6. Solenoid valve
7. Strainer/flow control
GPM)
1. Limit thermostat
CAUTION - Do not eliminate or
bypass limit thermostat. Use only
BOM replacement part #29329.
1000.
2. Control thermostat
3. Tank heater
1. Strainer /flow control (.222
GPM) (ST, STF, STA & STFA)
2. Liquid level board or level probe
Page 8
REMEDY
Refer to Service - ON/OFF Switch
for testing. See page 17
Refer to Service - Start Switch for
testing procedures. See page 19
Refer to Service - Timer for testing
procedures. See page 22 or 24
Refer to Service - Solenoid Valve
for testing procedures. See page
18
(.222 (A) Direction of flow arrow must
be pointing towards brewer.
(B) Remove the strainer/flow con-
trol and check for obstructions.
Clear or replace.
Refer to Service - Limit Thermo-
stat for testing procedures. See
page 16
Refer to Service - Control Ther-
mostat for testing procedures. See
page 14
Refer to Service - Tank Heater for
testing procedures. See page 20
(A) Direction of flow arrow must
be pointing towards the brewer.
(B) Remove the strainer/flow con-
trol and check for obstruction.
Clear or replace.
Refer to Service - Liquid Level
Board for testing procedures. See
page 26
29251 052500