Haltech Wideband 02 Controller Manual Manuel d'utilisateur télécharger pdf (Page 17)

Appendix B: LED blinking codes

1. Blinking steady about 2 times/second: Warming up

2. Blinking steady at about 4 times/second: Heater calibration

3. LED off No Power or free air calibration

4. Blink sequence with 2 second pause Error indication

Error indication details:

Count the number of fast flashes between 2 second pauses. The number of flashes indicates the

error code as in

1 Flash Error 1

2 Flashes Error 2

And so on. See Appendix C for error code details.

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Haltech Wideband 02 Controller Manual Manuel d'utilisateur Page 17