Have vacuumed with the S5 Max 4-5 times but haven't mopped with it yet. Got an "Internal Error, reboot system" message during last cleaning.
Returned S5 Max to dock to re-charge. Then pushed start & got same error message but withing 30 seconds.
So Far have tried: resetting x 3 and restoring to factory settings x 2. Pushing "start" continues to result in the same "Internal Error, reboot system" message. I really liked our S5 Max but now I'm very sad 😥. Please help us fix this.