1 Gently turn the diagnostic mode selector fully anti-clockwise (or slide switch OFF), after 3 consecutive flashes of the LED's and before 4 flashes. The pattern will repeat if you missed it.

2 Read codes as described in the Code Format Description below.

3 Press the continue button to enter the code numbers and get the code description.

• Each code is made up of two series of flashes.

• The long flashes indicate the 'tens' digits.

• The short flashes indicate the 'ones' digits.

• A long pause separates each code sequence.

• Code Format Diagram shows code No. 12.

• If no long flashes are detected, the code is a straight count of short flashes.