Hisense ice maker displays E10 and does not harvest ice; ice remains stuck on the evaporator plate.

Safety: Unplug the unit. Refrigerant components can be hot; avoid bending or cutting sealed lines.

• Observe harvest attempt: During a cycle, listen for the click of the hot gas valve or harvest solenoid. If silent, the valve may not be energizing.
• Check wiring to valve: Access the compressor compartment and locate the hot gas valve coil. Ensure its connector is firmly attached and wires are intact.
• Test valve coil: With a multimeter, measure coil resistance. An open coil indicates a failed valve that must be replaced.
• Inspect evaporator surface: If ice is extremely thick or uneven, the unit may not be entering harvest at the correct time due to a sensor or control issue.
• Control board check: If the valve coil tests good but never receives voltage during harvest, the main control PCB may be faulty and require replacement.
• Professional service: If refrigerant flow is suspected (no frost pattern, warm evaporator), contact a certified technician for sealed-system diagnosis.