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The tank is empty
The pipeline or the connector falls off or is blocked
In the winter,water in the feeding/outgoing pipe
may become frozen
The vacuum tube is damaged
Tap water supply stopped or low water pressure
Pipeline or connector may become broken
In the winter,water in the feeding/outgoing pipe
may become frozen
In bad weather or winter when the sun is relatively
low,the sunlight time is short,atmospherh quality is
poor,and sunshine radiation energy is insufficient
The valve for water supply is loose or damaged
The vacuum tube cannot effectively collect heat
due to a blockage in front of it
Dust on the tube
Add water according to the tank
Maintain the pipeline or remove the blockage
Start the accompanying heating strap
or wait for natural ice-out
Replace the tube
Wait for normal water supply
Repair or replace the pipeline or connector
Start the accompanying heating strap
or wait for natuiral ice-out
Use auxiliary electric heating as an
option
Tighten or replace the valve
Remove the bolckage or change the
Iocation for installation
Clean the tube suiface
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