Error Code
FF..OI
FF..02
FF:03
FF:04
FF:05
FF:06
FF:07
FF..08
FF:09
FF..IO
FF:12
Causes
Charging overvoltage
Chargingovercurrent
NTC open/short circuit
Internal disconnection of the battery pack
Rechargeable battery voltage is too low
Rechargeable battery voltage difference
is too large
High discharging temperature
High charging temperature
Low charging temperature
Roller brush overcurrent
No dirty water tank installed
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Solutions
Replace the adaptor
Replacethe adaptor
Replace the battery pack
Replace the battery pack
Replacethe battery pack
Replace the battery pack
The battery pack temperature is high, please assure
battery pack temperature returns to normal before
reuse
The battery pack temperature is high, please assure
battery pack temperature returns to normal before
charging
The battery pack temperature is low, please assure
battery pack temperature returns to normal before
charging
Check if there is any dirt (like pet hair) at the roller
brush to be cleaned, then make it clean
Install dirty water tank
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