Go Power error code `32`

FaultSolarVerified against the manufacturer's manual

Controller cannot detect a battery — 5-pulse wake-up sequence failed (LiFePO4 BMS in deep-discharge or low-temp cutoff). Display may show '32 LuE' on small LCDs.

What to check, and in what order, is in the app. The flow Go Power Solar Controller — Entry Diagnostic walks this code step by step with the pass/fail measurements, wiring schematics and procedures that go with it, and it works offline in the bay.