If the water tank is frozen, do not turn it on recklessly. You can use 50-60 degree hot water to break the ice in the water tank. Unscrew the drain port under the water tank to waterproof it. the water fill port and check for water leakage. If it is determined that there is no water leak, you can close the drain outlet, fill it with water, and start the engine to generate electricity.
For diesel engines in alpine regions, it is best to use antifreeze at -20 degrees Celsius. The water tank is relatively fragile, and the expansion of the volume of frozen water can easily cause the water tank to freeze and freeze. crack.