Inverter ambient temperature has fallen below minimum operating limit (-25°C). Auto-restarts when temperature returns to operating range. Displayed fault ID: 043.
Common causes
Installation site ambient temperature has dropped below -25°C
What to check
STEP 1
Stop and disconnect inverter if possible. Wait for ambient temperature to rise above -25°C minimum operating threshold.
STEP 2
Restart inverter once temperature is within permitted range. Consider adding insulation or climate control to installation space for future cold periods.
Escalate if
N/A — environmental fault. Inverter is working correctly.
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