Westinghouse ST Switch Intelligent Automatic Portable Transfer Switch

Malfunctions caused by failure to follow the manual, such as connecting incompatible generators or illegally extending cables.

Common troubleshooting

Possible causes and solutions for fault phenomena

The generator does not start after the power grid is cut off. 1. The control cable is not properly connected; 2. Insufficient battery power in the generator; 3. The generator is in the "OFF" position; 4. Generator malfunction (insufficient fuel/oil, alarm lock) 1. Check if the control cable plug is securely plugged in; 2. Manually start the generator to charge the battery or replace the battery; 3. Confirm that the generator is in the "RUN" position; 4. Check for generator faults and solve them according to the generator manual

The power supply is not switched after the generator is started. 1. The power cord is not properly connected; 2. Generator output fault; 3. Overload protection trip of transfer switch 1. Check if the power cord plug is tightened; 2. Disconnect the conversion switch and directly use the generator to supply power to the electrical appliance, verifying the output of the generator; 3. Disconnect part of the load and press the reset button of the circuit breaker on the transfer switch

After the power grid is restored, it will not switch back to the grid. 1. The voltage of the power grid is unstable; 2. Switch detection circuit fault 1. Use a multimeter to measure the grid voltage (normal 110-130V) and eliminate the grid problem; 2. Restart the conversion switch (unplug for 30 seconds and then reinsert), if it still does not work, report for repair

Abnormal flashing of indicator light: 1. Grid voltage fluctuation; 2. Internal circuit failure of the transfer switch. 1. Observe the restoration of the power grid and contact the power company if there is continuous fluctuation; 2. If the issue persists after disconnecting all connections and restarting, report for repair

Frequent tripping of circuit breakers: 1. The total power of the connected electrical appliances exceeds the standard; 2. Electrical short circuit; 3. Cable damage and short circuit: 1. Reduce the number of connected electrical appliances and calculate the total power; 2. Disconnect all electrical appliances and connect them one by one to check for short-circuit devices; 3. Check if the cable is damaged and replace the faulty cable