If you’re ordering for a service job, Switch is supplied as part 12-2255-01. Match the part number and visual configuration before ordering. Compare the old part to the replacement, paying attention to connector orientation, mounting points, and sealing surfaces. If the issue is intermittent, look for vibration-related wear marks and connectors that shift under load. Replacing Switch can resolve unit not responding when the fault is confirmed at this component. Intermittent switch behavior can look like larger electrical problems. Continuity checks and actuator inspection help confirm a bad switch. Symptoms often show up as unit not responding and may progress to no power. Disconnect power before service and document the original routing or hardware positions with a quick photo. After replacement, run a short test cycle and watch for leaks, vibration noise, or recurring faults. Using the correct replacement part helps restore steady operation and reduces repeat service calls. Verify any model compatibility notes shown on the product page before completing the order. Keep the removed part until final testing is complete so you can compare fitment if needed. If the machine was down for a while, take the opportunity to clean the area around the repair. Verify any model compatibility notes shown on the product page before completing the order. Keep the removed part until final testing is complete so you can compare fitment if needed. If the machine was down for a while, take the opportunity to clean the area around the repair. Verify any model compatibility notes shown on the product page before completing the order. Keep the removed part until final testing is complete so you can compare fitment if needed. If the machine was down for a while, take the opportunity to clean the area around the repair.