Anker
GRID-OF
Grid Over-Frequency
Grid frequency has exceeded the upper limit (51 Hz UK). Inverter disconnects until frequency recovers.
Common causes
Grid instability or DNO frequency eventTransient condition -- usually self-resolves
What to check
STEP 1
Wait 5 minutes -- inverter should auto-reconnect when frequency returns to normal
STEP 2
Check Anker app for frequency log to confirm event was transient
Escalate if
Fault recurring more than once per day -- log frequency readings and report to DNO
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