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C500 AP Air Pot Coffee Brewer
TROUBLE SHOOTING CONTINUED:
[ 4 ]
PROBLEM: WATER NOT FLOWING FROM SPRAYHEAD.
SOLUTION
POSSIBLE CAUSE
Check water level in tank. If water is not flowing into the tank, review
steps 1 thru 4, on previous page.
With the power off, check the continuity between terminal 4B & 5B.
When the switch is pressed, there should be solid continuity between
these two terminals. If not, replace the switch.
11. Water level is too low
in heating tank
12. Defective brew switch
PROBLEM: WATER IN TANK DOES NOT GET HOT OR WATER TEMPERATURE TOO LOW
POSSIBLE CAUSE
SOLUTION
8. Thermostat turned OFF
9. Defective thermostat
Replace thermostat.
Check thermostat to make sure it is in the ON position.
10. Burned out heating
element
Check element for continuity and/or check with clamp ammeter. This
should show a reading of approximately 15 amps. If no power is going
through element, replace it.
PROBLEM: WATER HEATING TANK OVERFLOWING.
POSSIBLE CAUSE
SOLUTION
Turn power off and observe water level. If water continues to flow in,
valve is leaking; clean or replace valve.
Pull wire off from probe terminal. Touch the body of the heating tank
with the end of this wire. If water stops, try cleaning the probe. Probe
may have to be replaced.
Liquid level control board must be securely grounded. Check for loose
connections at the terminals. Check for voltage at the inlet valve termi-
nals. If there is voltage present at the inlet valve terminals, replace the
L.L.C. board.
5. Defective water inlet
valve
6. Probe limed up
7. Non-grounded or loose
terminal connections at
liquid level control
board
POSSIBLE CAUSE
SOLUTION
Pull wire out of probe terminal. With a Volt meter, check voltage at the
water inlet coil terminals. This should read 110-120 volts. If no voltage is
present, check Liquid Level Control board. Make sure the L.L.C. board is
energized on terminals 2 & 3. The L.L.C. board is grounded to the chas-
sis of the machine by contacting the board to the mounting bracket. Make
sure board is grounded here. Check for loose connections at terminals.
When the water level control board fails to energize the water inlet valve,
the board should be replaced
4. Defective or burned out
water level control
board