What is the reason for the slow discharge of booster pump in cold weather?

The reasons for the slow drainage of booster pump in cold weather are:

1, improper operation leads to slow water outlet of booster pump in cold weather;

2. Unreasonable configuration;

3. The power cord is damaged, and the voltage is abnormal, resulting in slow water output from the booster pump in cold weather;

4. Impurities appear at the impeller of the booster pump.