LRP Flow - erratic running & intermittent problem on power up

[jason-l]

Just installed an LRP Flow Works in my B44.2, and have encountered an issue I've not experienced before. Hoping it's maybe something obvious...

When I switch on the motor sometimes spins-up (at low speed) for approx 1 sec before stopping. This seems to happen every time after battery reconection, but sometimes doesn't do it with the power switch just being toggled.

Also, if I hold a constant throttle, the motor speed frequently makes speed step changes (eg. slow, faster, slower, stop, slow, etc).

Re-calibrating, re-setting and trying another sensor wire hasn't worked... anyone else experienced this characteristic with any ESC?

For info: Rx is Futaba 603FS, servo is Savox 1258 and motor HPI Flux Pro 5.5. Motor is not meshed to the spur at the moment.

Cheers
Jason