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Chapter 7 Troubleshooting
7.1 No display
No power supply for power outlet
Confirm power outlet is normal
System power cord is not properly installed
Make sure the power cord is plugged into the
electrical outlet of main unit
system power is turned off
Turn on the power switch on the back of the
main unit
Internal component failure
Contact Technical service
7.2 Making RO water is too low
No feed water supply, warning for water shut
off
confirm the patency of external water supply
Pre-filter blocked, warning for no water
Rinse the filter and replace it when necessary
Feed water pressure is too low, indicating no
water warning
Needs another pressure pump
water supply connection error, indicating no
water warning
Make sure that feed water pipe connecting to
the FEED connector of the main unit.
Replace the pretreatment module
There are impurities on the RO surface
Press
“
Flush/
▼”
button to flush RO
Pure water outlet connection error
Verify that the RO OUT of main unit
connected with RO IN of water tank
Water temperature is too low
Internal component failure
Contact Technical service