1、Comprehensive Inverter Testing: The inverter refrigerator tester efficiently checks inverter compr, single wire inverter boards, pulse solenoid valves, solenoid valve mainboard outputs, and observes fixed frequency compr power currents. 2、Versatile Valve Detection: Designed for 6 pin and 5 pin motorized valve testing and repair, this testing tool handles domestic AC electronic expansion valve and 3 wire and 4 wire fan detection with ease. 3、Audible Alert System: Equipped with a buzzer warning system, the inverter testing instrument detects output signals from mainboards to inverter boards and alerts for 2K, 5K, and 10K temperature probes as well as compr short circuits and other faults. 4、User Friendly Operating: The inverter refrigerator tester operates on a stable for Win system, ensuring dependable performance. With 16 wiring terminals, it guarantees easy and stable connections during testing. 5、Intuitive Display And Controls: Featuring a clear screen with adjustable frequency, voltage, and current displays, the solenoid valve repair tool uses simple, intuitive buttons for seamless operating. Item Type: Inverter Refrigerator Tester Material: ABS Operating System: for Win Function: Frequency Adjustable, Voltage Display, Current Display, Frequency Conversion Compr Inspection, Single Line Frequency Board Testing, Pulse Solenoid Valve Detection, Main Board Output Detection of Electromagnetic Valve, Constant Frequency Compr Power Supply Observation Current, Double Line Frequency Board Testing, 6 Pin Electric Valve Testing, 5 Pin Electric Valve Testing, Solenoid Valve Stuck Valve Repair, Household AC Electronic Expansion Valve Drive Testing, Single and Double Wind Door Testing, Wind Door Heating Wire Power Supply, 3 Wire Fan Testing, 4 Wire Fan Testing 1 x Inverter Refrigerator Tester 17 x Terminal Connector