Service Manual

7
TROUBLESHOOTING (cont.)
PROBLEM
PROBABLE CAUSE REMEDY
BREWING CIRCUIT
Brew cycle will not start
Consistently low beverage level in
the dispenser or beverage overflows
dispenser
1. Display's error message
2. No water
3. No power or incorrect voltage to
the brewer
4. ON/OFF switch not in the "ON"
position
5. Low water temperature (Brew
lockout is enabled)
6. Water not touching refill probe
inside tank
7. Membrane Switch
8. Dispense valve
9. Control board
1. Brew volume
NOTE: Volume adjustments must be
made with sprayhead installed.
2. Lime build up
3. Dispense Valve
Brewer has shut down due to mal-
function. See Diagnostics.
Water lines and valves to the brewer
must be open.
Check for voltage across the termi-
nals at the terminal block.
The indicator lamp must be lit
Allow brewer to heat until ready, or
disable the brew lockout feature.
Water must be in contact with refill
probe before brew cycle will start.
Check/replace
Check/replace
Check/replace
Inspect the dispense valve and
sprayhead for excessive lime de-
posits. Delime as required.
Remove dispense valve and clear
any obstructions. Rebuild or replace
valve if necessary. (See page 15)
Check/replace
54299 070517