Sunmax RT-120 - 29 Generation of Excessive Foam; 30 Vacuum Cleaner that Does Not Work; 31 Brush Motor that Does Not Work

29. Generation of Excessive Foam
1. Please check whether low-foam detergent is used. If necessary, add a small amount of
defoaming liquid into the recycling bin.
2. It should be noted that when the floor is not very dirty, the machine will produce more foam. In
this case, a thinner detergent should be prepared.
30. Vacuum Cleaner that does not Work
1. Please check whether the sewage tank is empty, if not, please empty it.
2. Please check the float device in the sewage tank for impurities and foreign objects (see "Daily
Maintenance" for details).
31. Brush Motor that does not Work
1. Please check whether the brush is too low during start-up.
2. Please check whether the thermal protection device has been started.
3. Please check whether the motor is correctly connected to the terminals under the pedal.
Warning: To avoid damaging the floor, please turn on the brush motor when the machine moves
forward.
27