Rational Service 34-2 Jun 2026

If a technician recently replaced the cavity sensor, the main control board, or the humidity sensor board, but failed to run the "Service 34-2" calibration routine, the system will flag this as a persistent advisory code.

Disclaimer: This article is for informational purposes. Always refer to the official Rational Service Manual for your specific model. Service procedures should be performed by Rational-certified technicians. The author is not affiliated with Rational AG. rational service 34-2