Samet O28

Samet error code O28 indicates: Samet Classic / Prestige Built-in Enamelled Convection & Pyrolytic Italian Oven: Operational diagnostic fault code O28 signaled by internal electronics. Steam oven water inlet solenoid valve coil open circuit or jammed plunger (>8 kΩ).

The primary root cause for Samet code O28 is: On Samet kitchen suites engineered with PT1000 platinum RTD sensor (1080 Ω at 20°C), tangential cooling blower (170-230 Ω), 2200W circular turbo heater, motorized latch, and 300°C safety thermostat: Solenoid coil copper winding severed from heat exposure or lime scale particulate blocking mechanical movement Multimeter diagnostic parameter: nominal solenoid coil resistance 3.5 kΩ to 4.5 kΩ at 20°C; infinite resistance confirms coil rupture..

To resolve error code O28: Safely de-energize the appliance at the electrical distribution board. Unplug wiring connector from the affected component and verify with a digital multimeter: unplug electrical spade terminals from water valve coil and measure coil resistance with digital multimeter. Inspect spade lugs for signs of heat discoloration. Replace defective component, restore electrical supply, and perform system reset: Set electronic timer selector to manual mode. Hold Timer + and - buttons together for 6 seconds until display beeps and clears fault code.

Resetting power (unplugging for 5–10 minutes) clears temporary memory errors. However, if Samet code O28 persists, the physical component causing On Samet kitchen suites engineered with PT1000 platinum RTD sensor (1080 Ω at 20°C), tangential cooling blower (170-230 Ω), 2200W circular turbo heater, motorized latch, and 300°C safety thermostat: Solenoid coil copper winding severed from heat exposure or lime scale particulate blocking mechanical movement Multimeter diagnostic parameter: nominal solenoid coil resistance 3.5 kΩ to 4.5 kΩ at 20°C; infinite resistance confirms coil rupture. must be inspected or replaced.

Set a digital multimeter to ohms (Ω). Disconnect power and test NTC Temperature Sensor Probe (Thermistor) across Across sensor pins 1-2 (unplugged harness). Expected nominal reading is 4.8kΩ–12kΩ (at 20°C–25°C). Tolerance: Negative temperature coefficient: resistance drops smoothly when warmed with fingers. OL = open circuit..

Standard electrical safety protocol: 1. Disconnect 230V mains power before opening panels. 2. Verify zero voltage at test points. 3. Allow hot water or heating elements to cool below 30°C before handling.