Code 12 (Service Needed); Code 22 (Moisture In Motor Of Pump); Code 25 (Wrong Configuration); Code 48 (Motor Is Overloaded) - Grundfos LC 241 Montage- Und Betriebsanleitung

Related information
2.3.3 Connecting the pump supply and power supply

8.5 Code 12 (Service needed)

• Warning code 12 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 Service needed is displayed in Grundfos GO
Remote.
Cause
The pump requires service based on time to next service
countdown.
Remedy
• Contact Grundfos or an authorised service workshop.
• In order for the product to determine the service time, you
must have enabled the service countdown with Grundfos GO
Remote: Settings > Service

8.6 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.
Remedy
• Service is needed on the pump. Contact Grundfos.

8.7 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.
Remedy
• Check and adjust the level control configuration with
Grundfos GO Remote.
Cause
The IO terminal is not configured correctly.
Remedy
• Select which IO terminal to change in Grundfos GO Remote
and adjust the configuration.
Related information
3.6 Configuring the IO terminals using Grundfos GO Remote

8.8 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.
Remedy
• Remove the blockage.
• Check the pit conditions to ensure blockage is not possible
again.
Related information
6.17.2 Overload protection

8.9 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.
Remedy
• Check and configure the sensor stop level.

8.10 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.
Remedy
• Remove the blockage.
Cause
The pump has run for too long.
Remedy
• Allow the pump to cool down.
• Adjust the distance between start and stop levels.
Related information
6.17.1 Overheat protection

8.11 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.
Remedy
• Replace the control unit.
• Contact Grundfos or an authorised service workshop.

8.12 Code 117 (Door opened)

• Warning code 117 is shown on the display if you press
the Up or Down button.
• The warning symbol on the display turns yellow and the
operating mode of the pump is unchanged.
• Warning code Door opened is displayed in Grundfos GO
Remote.
Cause
The door to the control-unit room has been opened.
Remedy
• Check the room with the control unit.

8.13 Code 157 (Real-time clock monitoring)

• Warning code 157 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.
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