Bunn FMD-2 Operating & Service Manual page 9

Bunn hot beverages or soups operating & service manual fmd-1, fmd-2
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TROUBLESHOOTING (cont.)
PROBLEM
Product will not dispense (cont.)
Water is not hot
PROBABLE CAUSE
5. Solenoid Valve (Inlet)
6. A) Level Control Board and Probe
- FMD-1
B) Control Board and Probe - FMD-
2
7. A) Auger Drive - FMD-1
B) Auger Drive - FMD-2
8. Water Strainer
9. Lime build-up
CAUTION - Tank and tank compo-
nents should be delimed regularly
depending on local water conditions.
Excessive mineral build-up on stain-
less steel surfaces can initiate corro-
sive reactions resulting in serious
leaks.
10. Transformer - FMD-2
1. Limit Thermostat
CAUTION - Do not eliminate or by-
pass limit thermostat. Use only BOM
replacement part #29329.1000
2. Control Thermostat
3. Tank Heater
9
REMEDY
Refer to Service - Solenoid Valve
(Inlet) for testing procedures. See
page 35
Refer to Service - Level Control Board
and Probe for testing procedures.
See page 29
Refer to Service - Control Board and
Probe for testing procedures. See
page 19
Refer to Service - Auger Drive. See
page 13
Refer to Service - Auger Drive. See
Page 15
(A) Direction of flow arrow must be
pointing towards dispenser.
(B) Remove the strainer and check
for obstructions. Clear or replace.
Inspect the tank assembly for exces-
sive lime deposits. Delime as re-
quired.
Refer to Service - Transformer for
testing procedures. See page 38
Refer to Service - Limit Thermostat
for testing procedures. See page 31
Refer to Service - Control Thermo-
stat for testing procedures. See page
18
Refer to Service - Tank Heater for
testing procedures. See page 36
29112 051200

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