Hi Vin

Post your email so i can forward the relevant pages relating to those fault codes.

Indication: "61" display. Vehicles operation disabled.
Cause
Faulty E2PROM.

Indication: "41" display. Vehicle operation disabled.
Cause
Faulty regeneration contactor (wire breakage, shorting), faulty logic card.

Indication: "50" display. Vehicle operation disabled.
Faulty steering sensor, faulty wiring (wire breakage, shorting), faulty logic card.

THis is the only 3 error i could find:
Situation
Indication: "E3" only history folder not display, controller/motor overheat indicator ON.
Poor pulling power and acceleration. Lifting speed slower than normal. Normal power
steering operation.
(2) Cause
Overheating of controller panel, abnormality or wire break in controller thermistor
(temperature sensor), faulty logic card.

Situation
Indication: "50" display. Vehicle operation disabled.
(2) Cause
Faulty steering sensor, faulty wiring (wire breakage, shorting), faulty logic card.