CRJ900 first officer reported a rejected takeoff due to incorrect flap setting.

Attributes
ACN	1491996
Time
Date	201710
Local Time Of Day	0601-1200
Place
Locale Reference	ZZZ.Airport
State Reference	US
Environment
Flight Conditions	VMC
Light	Dawn
Aircraft 1
Make Model Name	Regional Jet 900 (CRJ900)
Operating Under FAR Part	Part 121
Flight Phase	Takeoff
Flight Plan	IFR
Component
Aircraft Component	Flap Control (Trailing & Leading Edge)
Person 1
Function	Pilot Flying First Officer
Qualification	Flight Crew Air Transport Pilot (ATP)
Events
Anomaly	Deviation - Procedural Published Material / Policy

Narrative:

Had a rejected takeoff (rejected takeoff) at 50 kts; got an aural warning for flap mis-configuration; exited the runway; ran checklist; flaps were set to 1; reset to position 8; called mx (maintenance); waited 15 mins and continued with the flight.flaps were at position 1 not 8.

Original NASA ASRS Text

Title: CRJ900 First Officer reported a rejected takeoff due to incorrect flap setting.

Narrative: Had a RTO (Rejected Takeoff) at 50 kts; got an aural warning for flap mis-configuration; exited the runway; ran checklist; flaps were set to 1; reset to position 8; called MX (maintenance); waited 15 mins and continued with the flight.Flaps were at position 1 not 8.

Data retrieved from NASA's ASRS site and automatically converted to unabbreviated mixed upper/lowercase text. This report is for informational purposes with no guarantee of accuracy. See NASA's ASRS site for official report.