If the buzzer alarm turn off, there is only
“
LOW
”
,
”
MID
”
,
”
HIG
”
lights flash, no
buzzer alarm.
The reasons of failure will be the following situations:
Failure
Situation
Reasons
Pumping
failure
▪
Long beep
▪
ATO light flashes slowly
▪
PAUSE light flashes quickly
▪
The water pump is broken.
▪
The water level drops too much
artificially, and the two SPT pumping
time still cannot reach the LOW level.
▪
The water pipe is bent and cannot
pump the fish tank with water.
Sensor
failure
▪
Buzzer alarm rings every 0.5second
▪
The HIG light flashes every 0.5second
▪
LOW light does not turn on
▪
The sensor in the tank is dirty,
blocked by debris of plants, mud or
other stuff.
▪
The water surface or tank wall is
dirty.
Device
failure
▪
Long beep for three seconds, beep
twice
▪
Controller need be restarted or
exchanged
Chapter VII: Alarm Situations
11
