Bunn DUAL TM (Serial # DUAL010000 - Up) - Manual (Page 8)

Page 8
TROUBLESHOOTING (cont.)
Problem
Brew cycle will not start (cont.)
Automatic refill will not operate
Remedy
Refer to Service - ON/OFF switch for
testing procedures. See page 31
Refer to Service - Start switch for
testing procedures. See page 36
Refer to Service - Timer for testing
procedures. See page 38 or 41
Refer to Service - Dispense valve for
testing procedures. See page 21
Refer to Service - Control assembly
for testing procedures. See pages
22 thru 27
Check plumbing and shut-off valves.
(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 - Solenoid valve for
testing procedures. See page 35
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 con-
trols for testing procedures. See page
22 thru 27
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
(.750 GPM)
3. Solenoid Valve
4. Limit thermostat (Electro/
mechanical and Electronic)
5. Overflow protection switch
6. (A) Level control board & level
probe. (Electro/mechanical con-
trolled)
(B) Electronic controls
27040 032201