Remedy • Interchange two phases.
9.5 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
9.6 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.
9.7 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.
9.8 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
6.15.2 Overload protection
9.9 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 for stop level.
9.10 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.
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