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Chapter V Basic Operation Instructions
158
was set too low
Alarm detection time is
too short
Modify F8.31 settings
E023
Water pipe water
shortage alarm
Abnormal water
pressure/water level
Check whether the inlet water pressure
of the water pump is abnormal
Sensor disconnection or
poor contact, no
feedback signal in the
system
Check the sensor installation and cable
connection
Water shortage alarm
set too high
Modify F8.32 settings
Water shortage
detection time is too
short
Modify F8.33 settings
E024
Water tank water
alarm
Abnormal water
pressure/water level
Check whether the inlet water pressure
of the water pump is abnormal
Sensor disconnection or
poor contact, no
feedback signal in the
system
Check the sensor installation and cable
connection
Water shortage alarm
set too high
Modify FE.17 settings
E034
Water pipe break
alarm
The sensor feedback
signal is abnormal
Connection of detection sensor
The water pipe break
alarm value is too high
Modify FE.18 settings
Alarm detection time is
too short
Modify FE.19 settings
E035
Maintenance variable
frequency pump
alarm
Variable frequency
pump is currently being
repaired
After confirming the overhaul of the
variable frequency pump, set the F4.10
bit to 0