LED Indicator
LEDColor
Description
Action
Status
Solid
Poweron
N.A.
Circulating
Refilling/Pumping
N.A.
Blue
LED
Flashingwith
audiblealerts
Pumpconnection
failure
Checktheconnection
ofthepumpandthe
controller.
Alternating
&
Blue
LED
Orange
*
Flashingwith
audiblealerts
QSTalarm:
1.Bubble
interference
2.Emptyreservoir
1.Cleanthesensoror
moveittoanareaaway
frommicrobubbles.
2.Refillthereservoir.
Flashing
72-hournon-filling
reminder
1.Cleanthesensor.
2.Checkifthepump
functionsproperly.
*Pleasefollowtheinstructionabovetofixissuesandthenunplugthe
powerandplugitbackin.
**ForsmallaquariumsandAIO(All-In-One)aquariums,watermayfilluptothetop
sensor,orslightlyabovethetopsensorduetotheirsmallvolume.Thisisnormal
andnoactionisrequired.
LED
Orange
Flashingquickly
forashorttime
**
Thefail-safesensor
sensesthewater
levelchanges.
1.Cleanthesensor.
2.Checktheset-upof
siphonbreakandtubes.
Touch Button
TouchButton:SwitchofftheQSTalarm.
*Note:TouchingthebuttonwillnotcleartheQST
memory.Pleaseunplugthepowerandplugit
backintocleartheQSTmemory.
Aquarium Experts
4