Applicable Systems
MAGNA1
Symptoms
Short circuit. A short circuit has been detected in the pump motor or wiring.
Possible Causes
- Motor winding short circuit
- Output wiring shorted
Troubleshooting Steps
- Step 1: Disconnect the motor and check for short circuits
Short circuit is in the motor or wiring - Step 2: Repair or replace the shorted component
No short circuit after repair
How to Reset
To reset: Fix the short circuit, then reset the controller.
Source: Grundfos Pump Troubleshooting Guide, Grundfos Group
Category: Pump