Applicable Systems
MAGNA1
Symptoms
Overtemperature. The pump motor or controller temperature exceeds the safe limit.
Possible Causes
- Insufficient cooling or ventilation
- Ambient temperature too high
Troubleshooting Steps
- Step 1: Check the motor and controller temperature
Temperature exceeds the rated limit - Step 2: Improve ventilation or reduce the ambient temperature
Temperature drops within range
How to Reset
To reset: Reduce the temperature, then reset the controller.
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Source: Grundfos Pump Troubleshooting Guide, Grundfos Group
Category: Pump
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