Alaska E18

Alaska error code E18 indicates: Alaska WA / WM Professional & Domestic Front-Load Washing Machine Series: Diagnostic fault code E18 registered by the microcomputer controller. BLDC inverter intelligent power module overcurrent or hardware short circuit detected.

The primary root cause for Alaska code E18 is: On Alaska commercial private label appliances distributed by Metro AG engineered with Metro OEM electronic washing chassis with 1950W calrod heater, 10 kΩ NTC sensor, and synchronous drain pump (165-215 Ω): IGBT bridge breakdown, shorted 3-phase BLDC motor phase winding, or jammed drum bearing. Metrological tolerance verification: BLDC motor winding resistance 5.2-6.8 Ω balanced across all three phases (U-V, V-W, W-U)..

To resolve error code E18: Disconnect mains power before servicing. Unplug the harness at the main PCB and use a calibrated digital multimeter: disconnect motor harness, measure resistance between all 3 stator phases with digital multimeter, expecting 5.2-6.8 Ω; spin drum to test bearing. Inspect contacts for pin oxidation or loose terminals. Replace defective part if out of tolerance, re-energize and clear error: rotate the program selector dial to Stop, press and hold the Start/Pause button for 5 seconds until all status LEDs blink once, then switch to Rinse.

Resetting power (unplugging for 5–10 minutes) clears temporary memory errors. However, if Alaska code E18 persists, the physical component causing On Alaska commercial private label appliances distributed by Metro AG engineered with Metro OEM electronic washing chassis with 1950W calrod heater, 10 kΩ NTC sensor, and synchronous drain pump (165-215 Ω): IGBT bridge breakdown, shorted 3-phase BLDC motor phase winding, or jammed drum bearing. Metrological tolerance verification: BLDC motor winding resistance 5.2-6.8 Ω balanced across all three phases (U-V, V-W, W-U). 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.