i12 Manual Page 45 - Revision: 6-13-2023
3. Display is unlit, unit not operating
Ensure the power cable is properly plugged into the wall power
outlet.
Check the Fuse inside the black housing behind the filtration bank.
Fuse should be white. If black or gray, fuse has burned. Replace.
4. Dispense operation does not dispense water (any temperature)
Dispense Capacitive Sensor
Failure
Sensor may have failed. Ensure the unit chimes when the sensor is
activated. If no chime, this may indicate the sensor has failed and
will need to be replaced.
If the unit chimes when the sensor is activated, check
corresponding dispense solenoid for failure. Solenoids can
sometimes “stick” open and become very hot to the touch. Replace
in either case.
5. Overfill Error (Constant Chime)
RO Filtration System Bypass
If the RO filtration system has been bypassed, the delay built into
the level sensors in the unit will be overwhelmed and the unit will
fill past its full point. Drain some water from the unit and DO NOT
bypass the RO filtration system.
Ambient Level Sensor Failure
Check water level in the ambient level sensor. If water is to the top
white dot, this will set off the overfill alarm. Investigate why the
unit overfilled. If RO system is not bypassed, and flow from the
filtration system is normal, replace the ambient level sensor.
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