Water Purification System Instruction Manual
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Ⅲ
.
Motor working but no water
RO membrane is blocked or pump’s pressure lost. For the former, change the RO membrane; For the later,
check whether expiring of pump is caused by long time overload or blocking of the cartridge. Repair motor.
Ⅳ
.Motor works ever and again
The motor works ever and again. It is the reason that low pressure or blocking of LV.1cartridge. Please
install a booster pump or replace LV.1cartridge.
Ⅴ
.The pressure tank is full of water, but pure water can not flow out
A. Air in the pressure tank leaks. Please fill it with 7psi air and check whether air leaks. If air can not be
put into tank, change the pressure tank..
B. Backset active carbon is blocked. Please replace it with a new one.
Ⅵ
. Power is off, but RO water does not stop flowing.
A. Check the four-side water circuit breaker, and replace it if it goes wrong.
B. Pressure of inlet water is higher then the set pressure of high pressure switch. Please regulate the
pressure of inlet water no more then 2kg/cm2.
Ⅶ
. The machine can not stop running when pressure tank is full of water or it runs at once after one stop.
A. High pressure switch or liquid level controller goes wrong. Repair it if it works after repairing, otherwise,
replace it with a new one.
B. Non-return valve leaks pressure so that it can not close. Replace it please.
11.
Warranty & Repair Regulation
The products customers buy form our company enjoy repair service since the day of purchase. In on year
form the purchasing day, our company is obliged to replace components free of charge due to
non-human-behavior factors except:
(1). Damage caused by maloperation or use in abnormal situations.
(2). Disassembly any part of the machine or human-behavior damage.
(3). Not repaired by our serviceman.
Specification can be changed without any prior notice for development