HORNBY R8250 CONTROLLER OO GAUGE Working but needs repair

Hornby R8250 OO Gauge Analogue Train Speed Controller Power Transformer Unboxed.

HORNBY R8250 CONTROLLER + NEW P9001W P9000W TRANSFORMER with EU 2-PIN PLUG

Hornby Standard Train Controller (R8250) - P9000w Used With Plug

Hornby R8250 OO Gauge Train Railway Analogue Speed Controller P9000W Transformer

HORNBY R8250 CONTROLLER + NEW P9001W P9000W TRANSFORMER + UK 3-PIN PLUG ADAPTER

Hornby Standard Train Controller (R8250) - P9000w Used With Plug