Curtis G4CB User Manual page 32

TROUBLESHOOTING GUIDE
Water Does Not Heat At All
Check to see if the water level in the tank is in contact with the water level probe. If not, see Tank Does Not Fill.
•
The water will not heat unless it is in contact with the probe.
If the water heats, but is not hot enough, see Water Not Hot Enough.
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If Ready to brew appears on the display, but the water is not hot, check the resistance across the leads of the
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If Heating... appears on the display, but the water is not hot, follow the steps below. The following steps are
performed with the rear toggle switch in the ON position.
and check for an open heating element.
3
Water Too Hot (Boiling or Excessive Steaming)
IMPORTANT: Before proceeding, make sure that the control panel temperature is adjusted to compensate
If Over Temp Sensor or Ready to Brew appears on the display and the water is too hot, go to Over Temp
Sensor Error Message.
If the display reads Heating
to the tank and that heat sink compound was used. A properly mounted sensor should have a resistance of
3
4
Over Temp Sensor Error Message
temperature is too hot, but Heating... appears on the display, see Water Too Hot. Once the malfunction causing
the error is corrected, the error message must be cleared. To reset the brewer and return to normal operation, turn
Check for power at the gate terminal on the triac. If there is no power at the triac gate terminal but the heating
elements are always on, replace the triac.
Turn off power to the brewer and allow water tank to cool. Once cool, turn power back on while monitoring the
triac gate voltage. During normal operation, power should be applied to the gate terminal, then drop to below
even though Ready to brew or Over Temp Sensor appears on the display.
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cool, replace the temperature sensor.
Heating... appears on the display,
TG6