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Page 13
TROUBLESHOOTING (cont.)
HEATING CIRCUIT
PROBLEM PROBABLE CAUSE REMEDY
29466 082200
Water does not heat to proper
temperature
IMPORTANT: Make sure no tem-
perature tests are taken before the
ready light is "ON". Tank tempera-
ture must be stabilized before read-
ings are taken.
Spitting or excessive steaming
Brewer is making unusual noises
1. Water not touching temperature
probe
2. Temperature Probe
3. Limit Thermostat
CAUTION: Do not eliminate or by-
pass limit thermostat or thermal
fuse. Use only BOM replacement
part # 29329.1000.
4. Tank Heater
1. Lime build up on temperature
probe, tank or tank heater
2. Temperature Probe
3. Control Board
1. Plumbing lines
2. Water supply
3. Lime build up
Remove probe and grommet. Look
into hole on tank lid. Water must
be within one inch from top of tank.
Refer to
Service -
Temperature
Probe for testing procedures. See
page 23
Refer to
Service
- Limit Thermostat
for testing procedures. See page 19
Refer to Service - Tank Heater for
testing procedures. See page 22
Inspect probe and tank assembly
for excessive lime deposits. Delime
as required.
Refer to
Service -
Temperature
Probe for testing procedures. See
page 23
Set the temperature to 205°F
(96°C). Let tank temperature sta-
bilize. If temperature in tank is
above temperature setting by more
than 7°F (4°C), replace the control
board. See page 24
Plumbing lines should not rest on
the counter top.
The brewer must be connected to
a cold water supply.
Remove the tank lid and clean in-
side of tank with a deliming agent,
if necessary.