Curtis D500GT30A000 [6/8] Brewing issues
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Curtis D500GT30A000 [6/8] Brewing issues

Curtis D500GT30A000 [6/8] Brewing issues
Service & Sales
1-800-421-6150
www.wilburcurtis.com
BREWING ISSUES
TANK FILLING ISSUES
Does the LCD read “Water Level
Error”?
Verify the ow rate to be a minimum of 1
gpm from outlet of the water lter. If not,
ensure that the inlet side of the water
lter is receiving a minimum of 1 gpm. If
yes, replace the water lter. If not, con-
sult a plumber.
Remove the orange wire from the probe.
Does the tank start lling?
Replace water level probe
Replace the UCM
Turn OFF toggle switch.
Does the tank continue to ll?
Yes: Replace water inlet valve
No: Ground the probe wire to the chassis.
Does the tank continue to ll?
Yes: Replace the UCM
No: Replace Water Level Probe
Overlling:
Not lling:
Yes:
Yes:
No:
Yes:
No:
i
Before replacing any parts, verify the
following:
Verify that the Dump Valve outlet tting on the tank,
the tubing between the tank outlet and the Spray head
tting, the Spray head, and Dump Valve are clear of
obstructions.
Ensure correct alignment of the spray head tting and
that the tubing is routed properly to allow for maximum
water ow. (No Kinks)
LCD does not read “Brewing”:
If the LCD reads “Ready to Brew” and there is no
response when Brew Button is pressed, replace
the UCM.
LCD reads “Brewing”:
No water ow from the spray head:
Does water ow from the hot water faucet? If
yes, verify 120 volts at the dump valve coil. If
voltage is present at the dump valve coil, replace
the dump valve. If 120 volts is not present at
the dump valve coil, conrm continuity of wiring
between molex connector and Dump Valve. If
okay, replace the UCM. (Verify the resistance on
the dump valve coil to be open in one direction,
and under 2k ohm in the other direction BEFORE
REPLACING THE UCM) If water does not ow
from the hot water faucet, replace the Water Lev-
el Probe.
Brewing Short Pots:
Verify that the Hot Water Tank is lling correctly.
(See Tank Filling issues)
Overowing the Pot:
• Ensure that the Spray head has not been re-
moved. Replace as needed.
• Ensure that the Hot Water Tank is not over-
owing (See Tank Filling Issues)
• Ensure that hot water is not owing from the
Dump Valve when the toggle switch is turned
off. If it is, replace the dump valve.
• Ensure Cold Brew Lock is set to 5°F.
TROUBLESHOOTING INSTRUCTIONS
www.wilburcurtis.com

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