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I have a question about Wbo2 calibration
Is not possible calibrate the Wbo2 to 20,9 . When I change to ff = 255 Hex (wbo2_calibration=FF) the results become afr 20,1 and it not possible to go any higher.
Does anyone know what to be the problem??
- it's definitely pump_pid misconfiguration, the nernst cannot reach 4.45V (or more exaclty pump- + 0.45V)
- wbo2_pump_pid_ki=01 is surely wrong (where is the 01 value from?) try 0x20.. 0x40 or even 0x80 if you decrease wbo2_pump_pid_ilimit to appr 40..80)
- btw, measure RCal (resistance between sensor pin2 and pin6)
- Thanks Marcell
wbo2_pump_pid_ki=01 changes to 64 Hex all clear now
Best Regards
Peter
wbo2_warmup_ramp=A0
wbo2_warmup_target=FF
wbo2_abs_limit=E4
wbo2_limit_maxt=A0
wbo2_fallback=60
wbo2_retry_t=06
wbo2_edgetime_corr=BA
wbo2_edgetime_min=50
wbo2_ri_target=C1
wbo2_nernstdc_target=8F
wbo2_pump_pw_zero=64
wbo2_calibration=FF#= 20,1 afr
wbo2_heater_pid_kp=46
wbo2_heater_pid_ki=10
wbo2_heater_pid_kd=1A
wbo2_heater_pid_ilimit=A0
wbo2_pump_pid_kp=40
wbo2_pump_pid_ki=01
wbo2_pump_pid_kd=00
wbo2_pump_pid_ilimit=E0
wbo2_ri_confidence_scale=80