Appendix b: led blinking codes – Haltech Wideband 02 Controller Manual User Manual
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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