Service Issues
GPL HBA 10 & 11
Choose the problem first, then open the focused route for tools, safety notes, locator help, parts status, and checklist steps.
Issue Finder
What Problem Are You Seeing?
Search symptoms, filter by system, then open the matching route.
Hot Water System Scale Assessment
This assessment determines if mineral buildup in the hot water system requires professional de-scaling before any water treatment system can be safely activated.
Water Filter Retrofit Preparation Check
This check confirms that all necessary prerequisites, such as proper de-scaling and component readiness, have been met before installing a new water filtration system.
Cooling or refrigeration problem
Use this when the machine is not staying cold or refrigeration components are involved.
Door, latch, or lock problem
Use this when the door, latch, lock, gasket, or seal is the visible problem.
No power or dead display
Use this when the machine is dead, blank, unresponsive, or has power-input symptoms.
Machine Context
Areas This Machine May Use
Use these areas as orientation only. Open a specific issue before following diagnostic steps.