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Solis
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PHASE-FAULT
Solis
PHASE-FAULT
Abnormal Grid Phase Angle (Alarm 101A)
Grid phase angle outside expected 120 degrees (3P models).
Common causes
AC phases wired in wrong rotation
Network fault
What to check
STEP 1
Check AC side wiring and phase rotation.
STEP 2
Restart the inverter.
Escalate if
Rotation correct but alarm persists
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E001
Grid Over-Voltage
E002
Grid Under-Voltage
E003
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E004
Grid Under-Frequency
E005
Grid Impedance High