Bunn FMD-3 Operating & Service Manual page 10

TROUBLESHOOTING (cont.)
PROBLEM
Product will not dispense (cont.)
Water is not hot
Spitting or excessive steaming
PROBABLE CAUSE
9. Water Strainer
10. Lime build-up
CAUTION - Tank and tank compo-
nents should be delimed regularly
depending on local water condi-
tions. Excessive mineral build-up on
stainless steel surfaces can initiate
corrosive reactions resulting in seri-
ous leaks.
11. Rinse cycle not run for 12
hours.
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
4. Tank Heater Switch
1. Lime build-up
CAUTION - Tank and tank compo-
nents should be delimed regularly
depending on local water condi-
tions. Excessive mineral build-up on
stainless steel surfaces can initiate
corrosive reactions resulting in seri-
ous leaks.
2. Control Thermostat
10
REMEDY
(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 ex-
cessive lime deposits. Delime as
required.
Refer to Operations - Rinse Timer.
See page 5
Refer to Service - Limit Thermostat
for testing procedures. See page
31
Refer to Service - Control Ther-
mostat for testing procedures. See
page 21
Refer to Service - Tank Heater for
testing procedures. See page 37
Refer to Service - Tank Heater
Switch for testing procedures. See
page 39
Inspect tank assembly for excessive
lime deposits. Delime as required.
Refer to Service - Control Ther-
mostat for testing procedures. See
page 21
29170 080900