Bunn U3A - Manual (Page 9)

Page 9
TROUBLESHOOTING (cont.)
PROBLEM
Brew cycle will not start (cont.)
Tank not filling
PROBABLE CAUSE
6. Start Switch
7. Timer
8. Pump
9. Solenoid Valve
10. Strainer
1.ON/OFF Switch (This switch must
be in the "ON" position for the refill
circuit to operate.)
2. No water
3. Solenoid Valve
4. Probe
5. Liquid Level Board
REMEDY
Refer to Service - Start Switch for
testing procedures. See page 23
Refer to Service - Timer for testing
procedures. See page 26 or 28
Refer to Service - Pump for testing
procedures. See page 20
Refer to Service - Solenoid Valve for
testing procedures. See page 22
(A) Direction of flow arrow must be
pointing towards brewer.
(B) Remove the strainer and check
for obstructions. Clear or replace.
Refer to Service - ON/OFF Switch for
testing procedures. See page 19
Be sure water shut-off is open and
that in-line filters or strainers are not
blocking water flow. (Do not con-
fuse water shut-off valve with the
manual fill and drain valve under-
neath brewer).
Refer to Service - Solenoid Valve for
testing procedures. See page 22
Refer to Service - Probe for testing
procedures. See page 17
Refer to Service - Liquid Level Board
for testing procedures. See page 17
10060.3 070102