Solis
Over-Load
Backup Overload (Alarm 1057)
Backup load exceeds the rating, also appears as a warning for inductive start-up loads.
Common causes
Backup load power too highInductive loads with high start-up draw
What to check
STEP 1
Switch off some backup loads, especially inductive ones.
STEP 2
Restart the whole system.
Escalate if
Load within rating but alarm persists
Need full interactive diagnosis?
Faultpath walks you through decision trees, fault codes, and commissioning — built for solar & battery engineers.
Open Faultpath
More Solis fault codes