Bunn FMD-5 - Manual (Page 9)

9
TROUBLESHOOTING (cont.)
PROBLEM
Product will not dispense (cont.)
Water is not hot
PROBABLE CAUSE
5. Solenoid Valve (Inlet)
6. Control Board #1 and Probe
7. Auger Drive
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
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
REMEDY
Refer to
Service - Solenoid Valve
(Inlet) for testing procedures. See
page 37
Refer to Service - Control Board and
Probe for testing procedures. See
page 20
Refer to Service - Auger Drive. See
page 13 & 15
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 41
Refer to Service - Limit Thermostat
for testing procedures. See page 31
Refer to Service - Control Thermo-
stat for testing procedures. See page
19
Refer to Service - Tank Heater for
testing procedures. See page 38
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