As long as you can fill the water and work normally, there is no need to worry. The light may be damaged! If water cannot be supplied, you need to check the solenoid valve, water level probe, instrument, etc. to see if there is a malfunction!
Recommend "Dr. Sun" solar energy and Sancang solar energy (no need for water level probes and solenoid valves). Heating and hot water usage rates are fast in rainy weather, as is after-sales service. The rate is also significantly reduced, saving time and energy. This model only takes 20-30 minutes to heat without sunlight, while a single warehouse one takes 2-3 hours.
It's very likely! Since the constant temperature is set, heating will be carried out once it is lower than the set temperature. You can unplug the solar meter whenit is not in use and plug it back in when in use, or cancel the constant temperature setting and switch to manual heating.
Recommended "Dr Sun" solar energy, three warehouse models (no need for water level probes and solenoid valves), heating and water usage rates hot are fast in rainy weather, and the after-sales rate is also greatly reduced. Save time and electricity. This model only takes 20-30 minutes to heat without sunlight compared to ordinary single-chamber solar, while a single-chamber solar heater takes 2-3 hours!