Espar / Eberspacher Airtronic 2 (S2 D2L / M2 D4L) error code P000128
Flame cutout within control range 50-75% (legacy 055)
What to check, and in what order, is in the app. The flow Diesel Air Heater — Won't Start / Lockout (glow vs fuel) walks this code step by step with the pass/fail measurements, wiring schematics and procedures that go with it, and it works offline in the bay.
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- Eberspacher/Espar Airtronic 2 (S2 D2L / M2 D4L) fault-code manualEberspacher
- Eberspaecher Airtronic 2 Repair Instructions - S2 D2L Fault Codes and Diagnosis, doc 25.2720.95.2682.0D EN (02.2020)
Related codes
- P000122Flame sensor - Short circuit to battery (+)
- P000125Flame cutout from start process (legacy 057)
- P000126Flame cutout within control range 0-25% (legacy 053)
- P000127Flame cutout within control range 25-50% (legacy 054)
- P000129Flame cutout within control range 75-100% (legacy 056)
- P00012AUnsuccessful start procedure (legacy 052)
- P00012BOperation inhibit - too many unsuccessful start procedures (locked…
- P000130External air temperature sensor (LEF2) - Interruption (legacy 060)