Gree error code PL
Supply voltage below the controller's limit. Per the manual: 'If controller detects that system voltage lower than the limit value for 30s, the dual-8 nixie tube shows PL.' The manual does not publish the limit value itself.
What to check, and in what order, is in the app. The flow Gree PL / U3 — DC Bus Voltage Low (most common no-cool on inverter) 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.
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- Gree Slimline RV (Recreational Vehicle / Roof Top) A/C Service Manual (GRH085DA, R410A) -- 9.1 Error Code + 9.2 TroubleshootingGree
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