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Fault Codes
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Solis
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NO-Grid
Solis
NO-Grid
No Grid (Alarm 1015)
Inverter cannot detect the grid.
Common causes
AC isolator off
Main breaker tripped
Grid outage
Wrong grid standard
What to check
STEP 1
Check the AC isolator and main breaker are on.
STEP 2
Confirm supply is present at the consumer unit.
Escalate if
Grid present and wiring sound but alarm persists, note where voltage was measured
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More Solis fault codes
E001
Grid Over-Voltage
E002
Grid Under-Voltage
E003
Grid Over-Frequency
E004
Grid Under-Frequency
E005
Grid Impedance High