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Cause
The pump does not start. The
scheduling function overrides
the pump's operation.
Related information
6.23 Setting a time schedule with Grundfos GO Remote
8.8 Code 22 (Moisture in motor of pump)
•
Alarm code 22 is shown on the display.
•
The alarm symbol on the display turns red and the pump stops.
•
Alarm code Moisture in motor of pump is displayed in
Grundfos GO Remote.
Cause
Moisture is detected in the
motor of the pump.
8.9 Code 25 (Wrong configuration)
•
Alarm code 25 is shown on the display.
•
The alarm symbol on the display turns red and the pump stops.
•
Alarm code Wrong configuration is displayed in Grundfos GO
Remote.
Cause
The level control is not
configured correctly.
The IO terminal is not
configured correctly.
Related information
3.6 Configuring the IO terminals using Grundfos GO Remote
8.10 Code 46 (External warning via DI)
•
Warning code 46 is shown on the display if you press
the Up or Down button.
•
The warning symbol on the display turns yellow, and the pump's
operating mode is unchanged.
•
Warning code External warning from DI is displayed in
Grundfos GO Remote.
Cause
An external warning is activated
via the digital input.
8.11 Code 48 (Motor is overloaded)
•
Alarm code 48 is shown on the display.
•
The alarm symbol on the display turns red and the pump stops.
•
Alarm code Motor is overloaded is displayed in Grundfos GO
Remote.
Cause
The pump is clogged.
The blockage causes the motor
current to rise, which could
damage the pump.
8.12 Code 57 (Missing water in the application)
•
Alarm code 57 is shown on the display.
•
The alarm symbol on the display turns red and the pump stops.
•
Alarm code Dry run is displayed in Grundfos GO Remote.
Cause
Low water level in the pit and
the pump stops due to the dry-
running function.
22
Remedy
•
Change the configuration of
the Scheduling function.
Remedy
•
Service is needed on the
pump. Contact Grundfos.
Remedy
•
Check and adjust the level
control configuration with
Grundfos GO Remote.
•
Select which IO terminal to
change in Grundfos GO
Remote and adjust the
configuration.
Remedy
•
Check the device connected
to the external digital input.
Remedy
•
Remove the blockage.
•
Check the pit conditions to
ensure blockage is not
possible again.
Remedy
•
Check and configure the
sensor stop level.
8.13 Code 69 (Winding temperature too high)
•
Alarm code 69 is shown on the display.
•
The alarm symbol on the display turns red and the pump stops.
•
Alarm code Winding temperature too high is displayed in
Grundfos GO Remote.
Cause
The pump is clogged, causing
the pump to use more current
and thereby overheat.
The pump has run for too long. •
PTC input wiring and/or
sensors are incorrect.
Related information
6.17 Motor protection
8.14 Code 84 (Memory storage media faulty)
•
Warning code 84 is shown on the display if you press
the Up or Down button.
•
The warning symbol on the display turns yellow and the pump's
operating mode is unchanged.
•
Warning code Memory storage media faulty is displayed in
Grundfos GO Remote.
Cause
An error in the internal memory
has been detected.
8.15 Code 94 (Limit exceeded 1)
•
Warning code 94 is shown on the display if you press
the Up or Down button.
•
Alarm code 94 is shown on the display.
•
The alarm symbol on the display turns red and the pump stops.
•
The warning symbol on the display turns yellow, and the pump's
operating mode is unchanged.
•
Alarm code or warning code Limit exceeded, sensor 1 is
displayed in Grundfos GO Remote.
Cause
The limit exceeded 1 parameter
set in Grundfos GO Remote is
exceeded.
Remedy
•
Remove the blockage.
Allow the pump to cool down.
•
Adjust the distance between
start and stop levels.
•
Make sure that the two PTC
wires from the pump are
connected correctly to the
terminals on the product.
•
Make sure that the third PTC
wire is left unconnected if
present.
•
Make sure that the PTC wires
are undamaged.
•
Make sure that the PTC
sensors within the pumps are
undamaged.
•
Perform a test by
disconnecting the PTC wires
from the pump and shorting
PTC1 terminal A and B
and also PTC2 terminal A and
B, and verify that the error is
cleared.
•
Replace the product due to
the damaged PTC
circuit. Contact Grundfos.
Remedy
•
Replace the control unit.
•
Contact Grundfos or an
authorised service workshop.
Remedy
1. Check the input.
2. Change the configuration by
adjusting the limits set in
Grundfos GO Remote.
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