Service PCB assembly CSP30021081 (AP6978839) is a direct replacement for EBR73093623. This service board is intended for onboarding and control functions and is compatible with the models listed below. Key benefits Direct replacement: CSP30021081 (AP6978839) replaces EBR73093623, simplifying part selection for repairs and maintenance. Restores system functionality: Replaces a faulty onboarding service PCB to recover control and communication features that depend on the board. Compatibility focused: Matches the original board form and connection points to ensure straightforward installation in supported models. Serviceready component: Supplied as a service PCB assembly to streamline workflows and reduce downtime. Important attributes Function: Service PCB assembly for onboarding and related control tasks. Cross reference: Part number CSP30021081 (AP6978839) replaces EBR73093623. Compatibility: Works with these models: 795.72042316 795.72043316 795.72049316 LFX25991ST/00 LFX25991ST/05 LFX25991ST/06 LFX25991ST00 () LFX25991ST05 () LFX25991ST06 () Installation: Intended for service or installation; install by a qualified technician or service provider. Practical applications and use scenarios a unit that will not complete onboarding or display onboarding errors by replacing its service PCB with CSP30021081 (AP6978839). a damaged or corroded onboarding board discovered during routine maintenance to restore reliable system startup and communication. Use as a stocked service spare to accelerate field repairs for the listed models, minimizing equipment outofservice time. Notes for purchasers Verify compatibility with the specific model number before . Installation should follow standard service procedures for electronic assemblies.