6.0
Fault messages, possible malfunctions, corrections
6.1
Fault messages on the display
Message on Display Possible cause
Correction
Thermal Fault 1
The controller contact of the
according pump initiates.
If the pump in use does not come with the required thermal
motor protection contact the mode needs to be deactivated in
the menu (compare to 5.2.7.Thermal Fault 1, Thermal fault 2).
Check the pump. If it is plugged, clean out the foreign matter.
Check the motor for sufficient cooling (dry run).
Thermal fault 2
The limiting contact of the
according pump initiates.
If the pump in use does not have the required thermal motor
protection contact every pump that is used needs to be bridged.
(compare to 7.3.3 Thermal motor protection contact).
Check the pump. If it is plugged, clean out the foreign matter.
Check the motor for sufficient cooling (dry run).
After the pump has cooled off, push the button “Quittung” in
order to unlock the pump.
Pump off
Phase 2 is missing or the control
unit is being operated without
charge.
Check feed-in, pump cables, and pump
High-water-Alarm
The level has exceeded the
flood setting
Check pump for mode or high-water level
High-water switch
Contact for the high-water
switch has closed
Check if pump/ floating switch are functioning
Reverse signals
start/stop level
The settings for start and stop
levels interfere.
Check level settings
Reverse signals
start/flood level
The settings for high-water
alarm and start level interfere
Check settings for level
Runtime error
Pumps run without interruption
for longer than the time set.
Check function of pump
Floating switch
malfunction
Validation of floating switches,
wrong order
Check if floating switch is functioning and check if it is
connected to power correctly
Dry run protection
activated
Contact for dry run protection
has been activated
Check functioning of pump / floating switch
Interface < 3 mA
Signal of external level sensor
lower than 3 mA
Check level sensor, Ex-barrier, and electrical connections
Please check control
settings
The effective range of the
external level sensor has been
changed. The level settings lie
outside the effective range.
Check settings for level
Rotating field
One or two phases are missing,
or rather the rotating field is not
correct
Check if all 3 phases are adjacent and if the rotating field is
correct.
ATEX: level less than
stop level
The ATEX mode has been
activated and the level lies
below the stop level of the
chosen pump.
Before being able to activate the pumps, the level in the Ex-area
needs to rise over the stop level of the pump.
As long as the pumps are not in the Ex-area, the ATEX mode can
be deactivated in the menu.
PS
MEGA
1
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