Bunn FMD-1 - Manual (Page 9)

9
Water is not hot (Cont.)
Spitting or excessive steaming
Dripping from dispense tip
Water flows into tank continuously
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
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. Dispense solenoid valve
1. Level control board and probe
2. Solenoid valve (Inlet)
3. Overflow Protection Switch
Refer to Service - Tank Heater Switch
for testing procedures. See page 29
Inspect tank assembly for excessive
lime deposits. Delime as required.
Refer to Service - Control Thermo-
stat for testing procedures. See
page 15
Inspect the tank assembly for exces-
sive lime deposits. Delime as re-
quired.
Remove the dispense solenoid valve
and clear any obstructions. Rebuild
or replace the valve if necessary. See
page 26
Refer to Service - Level Control Board
and Probe for testing procedures.
See page 22
Refer to Service - Solenoid Valve
(Inlet) for testing procedures. See
page 27
Refer to Service - Overflow Protec-
tion Switch for testing procedures.
See page 24
TROUBLESHOOTING (cont.)
PROBLEM PROBABLE CAUSE REMEDY
28364 041598