Corp. Grind And Brew Coffeemaker Manual

12
ERROR MODE
Description – The main function of Error Mode is report any system malfunctions and to disable the
unit The system must be “powered down” using the Power Key located on the membrane keypad
to reset any reported error.
KEYPAD ! SYSTEM ERROR !
KEYPAD
Description – This screen is displayed and the unit is disabled when a key-press is detected during
the initial application of power to the system. This test is not performed during a Power Key
initiated “power-on” sequence.
Possible Causes – Membrane Keypad or someone depressing a key while applying power to the
system
110/220VAC ON ! SYSTEM ERROR !
110/220VAC ON
Description – This screen is displayed and the unit is disabled when line voltage is detected before
the Safety Relay is energized.
Possible Causes – Wiring or Safety Relay
110/220VAC OFF ! SYSTEM ERROR !
110/220VAC OFF
Description – This screen is displayed and the unit is disabled when line voltage is not detected
after the Safety Relay is energized.
Possible Causes – Wiring, Fuse, High Temp Limit Switch, Control Board or Safety Relay
HIGH WATER TEMP ! SYSTEM ERROR !
HIGH WATER TEMP
Description – This screen is displayed and the unit is disabled when the present water temperature
is sensed as being higher than 208 °F.
Possible Causes – Wiring, Power Triac, Control Board or Water Temperature Sensor.
OVER FLOW ! SYSTEM ERROR !
OVER FLOW
Description – This screen is displayed and the unit is disabled when the Over Flow Level Sensor is
detecting the presence of water.
Possible Causes – Wiring, Fill Solenoid, Control Board or Level Sensor
NO FILL RESPONSE ! SYSTEM ERROR !
NO FILL RESPONSE
Description – This screen is displayed and the unit is disabled when the Fill Solenoid has been
continuously energized (open & filling) for more than 15 minutes during the first fill or more than 30
seconds thereafter.
Possible Causes – Water Supply is turned off, Wiring, Control Board, Fill Solenoid or Level Sensor
NO TEMP RESPONSE ! SYSTEM ERROR !
NO TEMP RESPONSE
Description – This screen is displayed and the unit is disabled when the Water Heater has been
continuously energized (heating) for more than 45 minutes.
Possible Causes – Wiring, Control Board, Water Temperature Sensor, Power Triac, or Water Heater
DUMP #1 CLOSED ! SYSTEM ERROR !
DUMP #1 CLOSED
Description – This screen is displayed and the unit is disabled when the system has been brewing
(dispensing) for more than one minute and the Level Sensor has not sensed the absence of water.
Possible Causes – Wiring, Control Board, or Dump Solenoid.
TEMP SENSOR ! SYSTEM ERROR !
TEMP SENSOR
Description – This screen is displayed and the system is shut down when the Water Temperature
Sensor is detecting an invalid (below 32°F or above 220°F) water temperature.
Possible Causes – Wiring, Control Board or Temperature Sensor.