Hello , after 3 1/2 years of great service from my Kenevo I bought a new Levo last January But the bloody thing has had many faults . First off 7 rides in (a ride is about 2-3 hrs max ) the chain snapped and closer inspection 2 other links were cracked . New KMC Ebike chain purchased top job

next the TCU battery ok and fair play the shop renewed it same day and delivered it to me so I could make a ride with my mates . Now the big problems constant cutting out so off to LBS a few days later new loom fitted a few weeks later motor very noisy and keeps cutting out again , after 2 weeks new motor fitted a few rides later bike keeps cutting again . Then after a few days bike returned with another new loom fitted , got bike home red and blue lights on TCU back to shop . At shop a new battery was fitted this time all ok fast forward to last weekend bike had starting up when running couldn’t choose different power modes then 20 minutes later on way home (too nervous to ride anymore ) bike totally cut out now , me totally pi$$ ed off ! Now before all the smart arsed contributors tell me I’m not looking after it I don’t wash near motor, battery or TCU and the bike is NEVER WASHED UPSIDE DOWN .I clean the power lead before I charge and take great care to check the charger connector is 100% clean ! Surely The bike isn’t fit for purpose ?
At the risk of being that "smart arsed contributor"... Hear me out first. After your chain and TCU battery going flat, the failures you mention are all classic signs of water ingress. When we talk to people who have suffered a catalogue of failures like yours, we are nearly always told by the owner, that they have not been through deep water or pressure washed their bike, never even got the hose near it etc.!
But then as we go down the list of possible things that can lead to these sorts of issues, there is nearly always one that causes the owner to go.. Ah, yes I did do that! But that wouldn't hurt would it?
Let me take a look at what issues you've experienced. The power loom issues were always caused by water shorting two cut off CAN Bus wires, causing the bike to do all sorts of different things, but one common one was switching on and off. The power looms have been modified now to help stop this. This can be the same for the Rosenburg plug in a few cases. More common to the earlier motors though.
A noisy motor is 9.5 times out of 10 caused by bearing failure. And bearing failure in a relatively new motor is always due to water ingress. TCU failure... As Paulk says in the post above... Water ingress.
Battery failure, water ingress is less common unless submerged.
You said you don't wash the motor, but have a read through the following list and see if any of these ring a bell?
Fording water deeper than the crank (for those with older motors, this can be anytime in the last 6 months).
Washing the bike on it's side.
Using a car rack for your bike on wet roads without a cover on the motor.
Riding long flooded ruts
Riding extremely wet rides i.e. large puddles and many of them.
Lending your bike to another friend or family member.
Living in Wales, or anywhere in the central/northern English rain belt!
The only reason I have gone to such lengths with this response is because, if any of what I have said above rings true, the next ebike you get will do exactly the same.