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Troubleshooting
If the vacuum is not working properly, the display will show an error message. Please refer to the troubleshooting table to find your solution based on the error message.
Error Icon
The roller brushbar is not installed in place.
The roller brushbar is tangled.
The vacuum has run out of water.
The dirty water tank is full.
The dirty water tank is not installed in place.
The water tank of the base station is exhausted.
The dirty water tank is not installed in place.
The pipeline is blocked.
The outer ring indicator
of the display screen
The dirt detection sensor is dirty.
flashes red for 5 seconds
The vacuum malfunctions, and it has voice alert
and then stays on
with error code.
Specifications
Name
Rated Voltage
Charging Voltage
Name
Rated Input
Charging Output
Error Message
OSOTEK HotWave Wet Dry Vacuum
Wet and Dry Vacuum Cleaner
21.6 V ⎓
28 V ⎓
OSOTEK HotWave Wet Dry Vacuum Base Station
Base Station
100–120 V~ 50/60 Hz
28 V ⎓ 1.0 A
Reinstall the roller brushbar.
Remove any foreign objects clogged or tangled on the roller brushbar.
Put the vacuum on the base station to add water.
Clean the dirty water tank and reinstall it.
Reinstall the dirty water tank.
Please fill the base station water tank with water.
Reinstall the dirty water tank.
Unblock the suction port of the floor brush and the pipeline of the dirty water outlet.
Wipe off dirt from the surface of the sensor with the cleaning brush.
Contact the after-sales service team to arrange maintenance.
Model
Rated Power
Net Weight
Model
Rated Power
Net Weight
21
Solution
2104A.11, 2104A.21
220 W
5.2 kg
A020H100CS, A020H100CS.1
1500 W
5.5 kg
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