Based on the model number provided, the **PEWGS6017** is typically associated with **Pressure Washer Electronic Control Systems**, specifically designed for commercial or high-end residential electric pressure washers (often sold under brands like Ryobi or Greenworks). Below is a breakdown of the electronic components and functions found in this unit. --- ### 1. Core Electronic Components The system functions as a power management and safety interface between the user and the high-torque motor. | Component | Function | Description | | :--- | :--- | :--- | | **Main PCB** | Central Logic | Processes input from the start/stop switch and manages power delivery to the motor. | | **Starting Capacitor** | Phase Shift | Provides the initial electrical "jolt" required to overcome the motor's inertia and start rotation. | | **Pressure Switch** | Automatic Shut-off | An electronic sensor that cuts power to the motor when the trigger gun is released (TSS - Total Stop System). | | **Thermal Overload Protector** | Safety | A bi-metallic strip or thermistor that breaks the circuit if the motor temperature exceeds safe limits. | | **GFCI Plug** | Ground Fault Safety | An integrated circuit in the power cord that detects current leakage to prevent electrocution. | --- ### 2. The Control Circuit Logic (TSS) The most critical electronic part of the PEWGS6017 is the **Total Stop System (TSS)**. 1. **Input:** The user pulls the trigger, dropping the internal water pressure. 2. **Sensor:** The pressure switch detects the drop and closes the electronic circuit. 3. **Action:** The PCB sends 120V/240V (depending on the region) to the motor windings. 4. **Standby:** When the trigger is released, the pressure spikes, the switch opens, and the electronics cut the motor to prevent pump wear. --- ### 3. Technical Specifications If you are looking for replacement parts or troubleshooting the circuitry, these are the standard electrical parameters: ```yaml Electrical_Specs: Voltage: 120V AC / 60Hz Current_Draw: 13.5 Amps - 15 Amps Motor_Type: Universal or Induction (depending on specific sub-model) Protection_Rating: IPX5 (Water resistant electronics) Capacitance: Usually 40μF - 60μF (if Induction) ``` --- ### 4. Common Electronic Failure Points If the unit is not starting, the failure is usually located in one of these three electronic parts: * **Microswitch:** The small physical switch inside the pressure box can become corroded. * **Capacitor Failure:** If the motor "hums" but doesn't spin, the capacitor is likely blown. * **Carbon Brushes:** (In Universal Motor versions) These wear down and break the electrical contact to the rotor.