Enphase
IQ Battery (3, 10, 3T, 10T, 5P, 10C), Encharge, the IQ Gateway / Envoy, IQ System Controller / Enpower, and the IQ microinverters they run with
Covered equipment
Failures by component
gateway control board and firmware
- IQ Gateway all four LEDs stuck red
- Gateway reports normally then silently stops reporting
- Comms Kit Zigbee stick shows no blue LED
Enlighten / Enphase Cloud monitoring
- Enlighten graphs stop updating after a time change
- New system won't finish commissioning or produce
- Gateway stays reachable locally, cloud upload LED red
microinverter
- A whole microinverter branch stops reporting at once
- Many microinverters fail at once after a surge
- A single microinverter stops reporting or underperforms
- IQ8 microinverters stop producing after a power blip
battery management system (BMS)
wired control communication
- Battery loses communication for a window each midday
- Device not detected, 24-volt control header error
system controller / smart switch
- Backup only transfers when forced manually off-grid
- System Controller logs PV breaker open event
- Whole home loses power, MID relay stuck
- System Controller fails right after live wiring work
- Three-phase commissioning blocked by phase rotation error
- Backup shuts down when large loads start together
IQ EV Charger
current transformers and metering
power-line communication (PLC)
- Array stops reporting for hours while still producing
- Microinverters report to the wrong Gateway on split systems
AC wiring, connectors and breakers
system configuration and settings
battery pack
- IQ Battery 10C found dead before commissioning
- IQ Battery 5P has water in wiring compartment
- IQ Battery 10C DC switch connector won't seat
- IQ Battery 10C throws phase validation error
- Battery plateaus below 100%, poor round-trip efficiency