Rich Solar RS-PWM30P error code E4
Load short circuit
What to check, and in what order, is in the app. The flow Rich Solar PWM30 — fault code 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.
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- Rich Solar RS-MPPT50P / RS-PWM30P Service Docs
- Rich Solar Tech Support
- Rich Solar RS-PWM30P (BRAVO LEGEND 30) 30A PWM Solar Charge Controller User ManualRich Solar
Models covered
{'id': 'rs_mppt50p', 'label': 'RS-MPPT50P (50A MPPT)', 'tagline': 'Mid-size MPPT — aftermarket installer favorite for off-grid Class A / fifth wheel solar.', 'flow_prefixes': ['solar_richsolar_mppt'], 'code_manufacturers': ['Rich Solar RS-MPPT50P'], 'component_keywords': ['rich solar mppt', 'rs-mppt50p', 'rs mppt 50p', 'richsolar mppt50', 'rich solar 50a mppt']}, {'id': 'rs_pwm30p', 'label': 'RS-PWM30P (30A PWM)', 'tagline': 'Entry-level PWM — common in starter Rich Solar kits and small travel-trailer solar adds.', 'flow_prefixes': ['solar_richsolar_pwm'], 'code_manufacturers': ['Rich Solar RS-PWM30P'], 'component_keywords': ['rich solar pwm', 'rs-pwm30p', 'rs pwm 30p', 'richsolar pwm30', 'rich solar 30a pwm']}
Related codes
- E0No error — normal operating display
- E1Battery over-discharge — voltage fell below low-voltage disconnect…
- E2Battery over-voltage
- E3Under-voltage warning (approaching over-discharge threshold)
- E5Load overload — exceeds 30 A rated load current
- E6Temperature too high inside controller
- E8Charging current too high — exceeds 30 A
- E10Solar panel input voltage too high