Express Water MODEL 6 - Troubleshooting: Common Issues; System Malfunctions and Solutions; System Protection Modes

TROUBLESHOOTING
PROBLEM POSSIBLE REASON SOLUTIONS
14
When NTC detects inlet or outlet water
temperature≤37°F,buzzerbeepsfor5times.
Lowtemperatureprotection:Workingindicatorand
ROM/ALKlterindicatorlighto,SED+CARlter
indicator and water quality indicator blink in red.
System would only re-start
working automatically when
leakageisxed.
Overtimeprotection:Workingindicatorandwater
qualityindicatorlighto,lterindicatorsblinkinred.
Frequentstartandstopprotection:Workingindicator
andwaterqualityindicatorlighto,lterindicators
blink in violet.
Leakagewithinthesystem:Workingindicatorlights
o,lterindicatorsandwaterqualityindicatorblink
in red.
System continual work for 30mins, buzzer alarms
(sound 1s and stop 1s, repeat). Continual to work
3mins, system stop working.
Detect system frequently start and stop (high
tension switch open and close in 60s) for
continual 20min, buzzer beeps for 5 times and
system will shut down automatically.
Continual detect leakage for 3s, system will alarm
with buzzer beeps (sound 3 times and stop 4s,
repeat, total last for 3mins)
Power-up again, system
should resume working.
Power-up again, system
should resume working.
Power-up again, system
should resume working.
Filter cartridge may need to be replaced. Contact
EXPRESS WATER for assistance.
• Make sure the cold water is turned on all the way to
the system, unscrew the feed adapter to check inside the
screen to make sure there is no blockage.
• Check the input tap water pressure meets the
requirements of the system working pressure.
This is normal. The running sound will return to normal at
theendofushing
• Make sure the cold water is turned on all the way to
the system, unscrew the feed adapter to check inside the
screen to make sure there is no blockage.
• Check the input tap water pressure meets the
requirements of the system working pressure.
Refer to system issues and solutions below
Refer to system issues and solutions below
Refer to system issues and solutions below
Check if there is electricity at the outlet using
another electrical item.
Re-install feed water adapter
Check and re-install tubing
Lowwaterowatdrinkingfaucet
Tubing is not inserted securely, or the tubing outer
tip needs to be made a clear cut so it is smooth.
3-way connector is not installed in place.
Power is not connected.
Booster pump stops working.
The booster pump starts and stops frequently.
The water leak sensor has detected leaking water.
Lowinletpressureorlowinletwaterow.
Themachineisbeingushed(rsttimepowering
on,duringoperation,lterreplacement,etc).
No tap water is entering the system.
Lowpuried
waterow
Water leak
No display
The system
automatically
shuts down
The booster
pump runs loud
5.2 System issues and solutions
5.1 Troubleshooting and solutions
ISSUES CAUSES SOLUTIONS