Cause
Remedy
LED A is ON.
Check:
• The connection of the stator leads to T1, T2, T3.
• The control input connections to A1, A2.
LED D is ON intermittently.
1. Allow the pump to cool down.
2. Check that the number of starts per hour does not exceed the specified
(page 38).
LED E is ON.
Check the power cable connections to L3. If either L1 or L2 is missing, then
LED A and LED E will be OFF.
LED F is ON.
Transpose two phase leads for L1, L2, L3 outside the pump.
If the problem persists, contact the local sales and service representative. Always state the
serial number of your product, see
Troubleshooting
Flygt 2870.180 Installation, Operation, and Maintenance Manual
37
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