Solis
BoostFal

DC Boost Circuit Fault (Alarm 1020)

Boost converter circuit fault.

Internal hardware fault
STEP 1
Restart the inverter.
Persists, hardware fault
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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