I'm dealing with a Tesla solar panel issue: production drops to 0 with a
One of the Tesla technicians that was here previously told me to talk to the MCI crew and ask them to only keep a single MCI unit per string of panels. He said that's how they do it now, it's simpler to service, and up to code. That made sense to me initially, although after looking at Tesla's documentation I'm not sure anymore.
The docs suggest 1 MCI per 3 modules for my panels (T400H). They also mention:
Has anyone here dealt with MCI replacement and has thoughts on the best number of modules? It seems reasonable that fewer units would be easier to maintain and cause fewer issues, but I'd like to understand the trade-off. (Also, I'd normally just let the service crew figure this out, but given how long it's taking to resolve my issue, I need to be more involved.)
PVS_a044_FaultStatePvStringSafety
alert. Tesla replaced my Powerwall+ inverter which didn't solve the issue, so they're now scheduled to replace MCI units.One of the Tesla technicians that was here previously told me to talk to the MCI crew and ask them to only keep a single MCI unit per string of panels. He said that's how they do it now, it's simpler to service, and up to code. That made sense to me initially, although after looking at Tesla's documentation I'm not sure anymore.
The docs suggest 1 MCI per 3 modules for my panels (T400H). They also mention:
I currently have 3 strings of ~10 panels each, and each string has 4 MCI units according to plans.It is critical that the minimum number of required MCIs is installed; without the appropriate number of MCIs, the MCIs may not function as intended which could lead to equipment damage.
Has anyone here dealt with MCI replacement and has thoughts on the best number of modules? It seems reasonable that fewer units would be easier to maintain and cause fewer issues, but I'd like to understand the trade-off. (Also, I'd normally just let the service crew figure this out, but given how long it's taking to resolve my issue, I need to be more involved.)