TOTAL LITE Revision 1
SERVICE MANUAL FOR INNOVATION
TOTAL LITE
Single-Cup Brewer
68
11.2 Error message list
Lost communication with coffee machine controller.
The link between the computer system and coffee brewer is broken.
The coffee brewer might be out of power while the computer system is ok.
Check overflow cup, must be empty.
Check 5A and 15A circuit breakers on back of the unit.
At last check electrical link between Main controler pcb connector J14 and
computer system COM1. See section 4.7 for more details.
Broken link between main controller and thermostat.
The link between the thermostat and coffee brewer is broken. Thermostat pcb is located on the back of
the coffee brewer. Check the cable between the thermostat (J1) and the coffee brewer main controller
(J12).
Water temp. sensor defective. (open contacts).
The water temperature sensor is defective or unplugged on the thermostat board. See section 7.4.1 for
more information.
Water temp. sensor defective. (Short circuit).
The water temperature sensor is defective (short circuit). See section 7.4.1 for more information.
Brewer home position switch error.
The coffee brewer failed to detect the home position of the brewer assembly. The following parts might be
defective :
Brewer motor
Brewer cam and/or pin
Brewer home position switch
Remove coffee brewer assembly from the coffee machine. Press the ‘activate Brewer’ button on screen.
The brewer motor will be activated and will stop running until the brewer home switch hits the hole in the
cam. You will then see if the motor and switch are working properly.
The status of the brewer home switch can be monitored thru DS13 green LED on the main controller
PCB. At home position (open contact) DS13 is off.
There is water in the drip tray overflow.
Check for any water in the overflow drip tray. Make sure no water is touching the two probe wires. The
status of the overflow tray probes can be monitored thru DS18 green LED. When the tray is dry, DS18 is
off.
Troubleshooting
