Bunn DUAL TM (Serial # DUAL010000 - Up) 27040.0000F Coffeemaker User Manual


 
Page 9
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 32
Refer to
Service -
Start switch for
testing procedures. See page 37
Refer to
Service -
Timer for testing
procedures. See page 39 or 42
Refer to
Service -
Dispense valve for
testing procedures. See page 22
Refer to
Service
- Control assembly
for testing procedures. See pages
23 thru 28
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 36
Refer to
Service
- Limit thermostat
for testing procedures. See page 31
Refer to
Service -
Overflow protec-
tion switch for testing procedures.
See page 33
Refer to
Service
- Level control board
for testing procedures. See page 29
Refer to
Service
- Electronic con-
trols for testing procedures. See page
23 thru 28
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 011904