Bunn FMD-2 Operating & Service Manual page 8

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 conditions.
Excessive mineral build-up on stain-
less steel surfaces can initiate corro-
sive reactions resulting in serious
leaks.
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 conditions.
Excessive mineral build-up on stain-
less steel surfaces can initiate corro-
sive reactions resulting in serious
leaks.
2. Control thermostat
8
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 exces-
sive lime deposits. Delime as re-
quired.
Refer to Service - Limit Thermostat
for testing procedures. See page 26
Refer to Service - Control Thermo-
stat for testing procedures. See page
16
Refer to Service - Tank Heater for
testing procedures. See page 32
Refer to Service - Tank Heater Switch
for testing procedures. See page 33
Inspect tank assembly for excessive
lime deposits. Delime as required.
Refer to Service - Control Thermo-
stat for testing procedures. See
page 16
28364 051100