Solar Lattice

Symptom

PID module overvoltage

ID
symptom:pid-module-overvoltage
IRI
https://solarlattice.org/kb/symptom/pid-module-overvoltage
Status
active
Also known as
Fault7040, PID over high voltage warn, PID over high voltage warning, PID Over-Voltage Warning, PIDOverhigh voltage Warn

Other bits in the same register flag related conditions, such as the PID voltage stability alarm (Fault7010) and the bus over-voltage fault (Fault7000). Check which bit is set so you do not confuse them. The manual's first step is to watch the inverter for 5 minutes to see whether the warning clears by itself. If the warning stays on or comes back, the manual says to contact the manufacturer's after-sales service.

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