Answered By: Debra Oswald Last Updated: Dec 31, 2015 Views: 34
A "R1" error usually means you mistyped your Sinclair Tartan ID number or have forgotten to add the three leading zeros.
Make sure you are typing in 9 digits for your ID. Example: 000xxxxxx
If your Tartan number shows only six, or seven numbers, add enough zeros to the front to make it nine.