Machine Fault Guide

Directory

Generac

Generac fault-code records for Air/Liquid-Cooled Home Standby Generator, Home Standby Generator, with public source links and product-scope cautions.

This directory contains 227 Generac fault-code records in the current dataset. Coverage is organized by product family and category; it is not a claim that every Generac model uses every listed code.

Covered product families

Product familyRecords
Air/Liquid-Cooled Home Standby Generator182
Home Standby Generator45

Current categories: Generator.

How to use these records

  1. Match the displayed code exactly, including any prefix or leading zero.
  2. Open the record and compare its product scope with the equipment nameplate.
  3. Use the public source link to confirm the exact model, controller and operator action.
  4. Treat component names as descriptions, not proof that the component has failed.
  5. Stop and use qualified service when the next step involves hazardous energy or an internal system.

Source coverage

The current Generac seed records link to these source hosts:

  • support.generac.com

Source availability does not replace a model-scope check. See the source policy, editorial policy and safety framework. If a record does not match its source, report a correction.

Generac Code 1001: Controller fault 0 published records Generac Code 1050: VSCF low battery fault 0 published records Generac Code 1051: VSCF high battery fault 0 published records Generac Code 1058: VSCF DC under-voltage fault 0 published records Generac Code 1059: VSCF field loss fault 0 published records Generac Code 1062: VSCF communications loss fault 0 published records Generac Code 1063: VSCF enable mismatch fault 0 published records Generac Code 1064: VSCF speed PWM loss fault 0 published records Generac Code 1065: Over-frequency fault 0 published records Generac Code 1100: Overcrank alarm; the unit turns over but will not start 0 published records Generac Code 1101: Overcrank alarm; the unit turns over but will not start 0 published records Generac Code 1200: Overspeed alarm 0 published records Generac Code 1201: Overspeed alarm 0 published records Generac Code 1202: Overspeed alarm 0 published records Generac Code 1203: Overspeed alarm 0 published records Generac Code 1204: Overspeed alarm 0 published records Generac Code 1205: Overspeed alarm 0 published records Generac Code 1206: Overspeed alarm 0 published records Generac Code 1207: Overspeed alarm 0 published records Generac Code 1300: Low oil pressure alarm 0 published records Generac Code 134: Alarm 134 shown on the controller 0 published records Generac Code 1400: High temperature alarm 0 published records Generac Code 1401: High temperature alarm 0 published records Generac Code 1500: RPM sensor loss alarm; the controller does not detect a valid RPM… 0 published records Generac Code 1501: RPM sensor loss alarm; the controller does not detect a valid RPM… 0 published records Generac Code 1502: RPM sensor loss alarm; the controller does not detect a valid RPM… 0 published records Generac Code 1503: RPM sensor loss alarm; the controller does not detect a valid RPM… 0 published records Generac Code 1504: RPM sensor loss alarm; the controller does not detect a valid RPM… 0 published records Generac Code 1505: RPM sensor loss alarm; the controller does not detect a valid RPM… 0 published records Generac Code 1506: RPM sensor loss alarm; the controller does not detect a valid RPM… 0 published records Generac Code 1507: RPM sensor loss alarm; the controller does not detect a valid RPM… 0 published records Generac Code 1508: RPM sensor loss alarm; the controller does not detect a valid RPM… 0 published records Generac Code 1509: RPM sensor loss alarm; the controller does not detect a valid RPM… 0 published records Generac Code 1510: RPM sensor loss alarm; the controller does not detect a valid RPM… 0 published records Generac Code 1511: RPM sensor loss alarm; the controller does not detect a valid RPM… 0 published records Generac Code 1512: RPM sensor loss alarm; the controller does not detect a valid RPM… 0 published records Generac Code 1513: RPM sensor loss alarm; the controller does not detect a valid RPM… 0 published records Generac Code 1514: RPM sensor loss alarm; the controller does not detect a valid RPM… 0 published records Generac Code 1515: RPM sensor loss alarm; the controller does not detect a valid RPM… 0 published records Generac Code 1516: RPM sensor loss alarm; the controller does not detect a valid RPM… 0 published records Generac Code 1517: RPM sensor loss alarm; the controller does not detect a valid RPM… 0 published records Generac Code 1518: RPM sensor loss alarm; the controller does not detect a valid RPM… 0 published records Generac Code 1519: RPM sensor loss alarm; the controller does not detect a valid RPM… 0 published records Generac Code 1520: RPM sensor loss alarm; the controller does not detect a valid RPM… 0 published records Generac Code 1521: RPM sensor loss alarm; the controller does not detect a valid RPM… 0 published records Generac Code 1522: RPM sensor loss alarm; the controller does not detect a valid RPM… 0 published records Generac Code 1600: Underspeed alarm 0 published records Generac Code 1601: Underspeed alarm 0 published records Generac Code 1602: Underspeed alarm 0 published records Generac Code 1603: Underspeed alarm 0 published records Generac Code 1800: Overvoltage alarm 0 published records Generac Code 1801: Overvoltage alarm 0 published records Generac Code 1802: Overvoltage alarm 0 published records Generac Code 1803: Overvoltage alarm 0 published records Generac Code 1900: Undervoltage alarm 0 published records Generac Code 1901: Undervoltage alarm 0 published records Generac Code 1902: Undervoltage alarm 0 published records Generac Code 1903: Undervoltage alarm 0 published records Generac Code 1904: Undervoltage alarm 0 published records Generac Code 1905: Undervoltage alarm 0 published records Generac Code 1906: Undervoltage alarm 0 published records Generac Code 1907: Undervoltage alarm 0 published records Generac Code 1908: Undervoltage alarm 0 published records Generac Code 1909: Undervoltage alarm 0 published records Generac Code 1910: Undervoltage alarm 0 published records Generac Code 1911: Undervoltage alarm 0 published records Generac Code 1912: Undervoltage alarm 0 published records Generac Code 1913: Undervoltage alarm 0 published records Generac Code 1914: Undervoltage alarm 0 published records Generac Code 1915: Undervoltage alarm 0 published records Generac Code 1916: Undervoltage alarm 0 published records Generac Code 2098: Wiring error 0 published records Generac Code 2099: Wiring error 0 published records Generac Code 2100: Overload remove load alarm 0 published records Generac Code 2101: Overload remove load alarm 0 published records Generac Code 2102: Overload remove load alarm 0 published records Generac Code 2103: Overload remove load alarm 0 published records Generac Code 2399: Stepper overcurrent fault 0 published records Generac Code 2400: Fuse problem alarm; controller fuse is missing or blown 0 published records Generac Code 2500: Bosch fault 0 published records Generac Code 2501: Bosch fault 0 published records Generac Code 2502: Bosch fault 0 published records Generac Code 2600: Ignition fault 0 published records Generac Code 2601: Ignition fault 0 published records Generac Code 2602: Ignition fault 0 published records Generac Code 2611: Over-current fault for cylinder 1 through 10 0 published records Generac Code 2612: Over-current fault for cylinder 1 through 10 0 published records Generac Code 2613: Over-current fault for cylinder 1 through 10 0 published records Generac Code 2614: Over-current fault for cylinder 1 through 10 0 published records Generac Code 2615: Over-current fault for cylinder 1 through 10 0 published records Generac Code 2616: Over-current fault for cylinder 1 through 10 0 published records Generac Code 2617: Over-current fault for cylinder 1 through 10 0 published records Generac Code 2618: Over-current fault for cylinder 1 through 10 0 published records Generac Code 2619: Over-current fault for cylinder 1 through 10 0 published records Generac Code 2620: Over-current fault for cylinder 1 through 10 0 published records Generac Code 2621: Under-current fault for cylinder 1 through 10 0 published records Generac Code 2622: Under-current fault for cylinder 1 through 10 0 published records Generac Code 2623: Under-current fault for cylinder 1 through 10 0 published records Generac Code 2624: Under-current fault for cylinder 1 through 10 0 published records Generac Code 2625: Under-current fault for cylinder 1 through 10 0 published records Generac Code 2626: Under-current fault for cylinder 1 through 10 0 published records Generac Code 2627: Under-current fault for cylinder 1 through 10 0 published records Generac Code 2628: Under-current fault for cylinder 1 through 10 0 published records Generac Code 2629: Under-current fault for cylinder 1 through 10 0 published records Generac Code 2630: Under-current fault for cylinder 1 through 10 0 published records Generac Code 2650: Internal ignition missing cam signal 0 published records Generac Code 2651: External ignition missing cam signal 0 published records Generac Code 2660: Internal ignition missing crank pulses 0 published records Generac Code 2661: External ignition missing crank pulses 0 published records Generac Code 2671: CAN bus fault 0 published records Generac Code 2672: CAN bus fault 0 published records Generac Code 2710: Ruptured tank alarm 0 published records Generac Code 2750: Low battery alarm 0 published records Generac Code 2770: Battery charger warning; battery is not charging properly 0 published records Generac Code 2790: SEEPROM abuse fault 0 published records Generac Code 2800: Auxiliary shutdown alarm 0 published records Generac Code 2810: Hall calibration fault 0 published records Generac Code 2900: Diesel ECU fault 0 published records Generac Code 2910: Gaseous emissions fault 0 published records Generac Code 3000: Hardware match error 0 published records Generac Code 3001: Speed match error 0 published records Generac Code 3002: Fuel match error 0 published records Generac Code 3003: ECM initiated emergency shutdown 0 published records Generac Code 3015: Hardware match error 0 published records Generac Code 3100: Throttle body air fault 0 published records Generac Code 3101: Throttle body air fault 0 published records Generac Code 3102: Throttle body air fault 0 published records Generac Code 3103: Throttle body air fault 0 published records Generac Code 3104: Throttle body air fault 0 published records Generac Code 3105: Throttle body air fault 0 published records Generac Code 3106: Throttle body air fault 0 published records Generac Code 3107: Throttle body air fault 0 published records Generac Code 3115: Throttle body air fault 0 published records Generac Code 3117: Throttle body air fault 0 published records Generac Code 3200: High fuel pressure fault 0 published records Generac Code 3201: Low fuel pressure fault 0 published records Generac Code 3202: Fuel pressure fault 0 published records Generac Code 3203: Fuel pressure fault 0 published records Generac Code 3204: Fuel pressure fault 0 published records Generac Code 3215: High fuel pressure fault 0 published records Generac Code 3217: Low fuel pressure fault 0 published records Generac Code 3300: High oil pressure fault 0 published records Generac Code 3301: Low oil pressure fault 0 published records Generac Code 3302: Oil pressure fault 0 published records Generac Code 3303: Oil pressure fault 0 published records Generac Code 3304: Oil pressure fault 0 published records Generac Code 3315: High oil pressure fault 0 published records Generac Code 3317: High oil pressure fault 0 published records Generac Code 3400: High MAP fault 0 published records Generac Code 3401: Low MAP fault 0 published records Generac Code 3402: MAP sensor fault 0 published records Generac Code 3403: MAP sensor fault 0 published records Generac Code 3404: MAP sensor fault 0 published records Generac Code 3415: High MAP fault 0 published records Generac Code 3417: LCM MAP fault 0 published records Generac Code 3500: High MAP temperature fault 0 published records Generac Code 3501: LCM MAP temperature fault 0 published records Generac Code 3502: MAP temperature fault 0 published records Generac Code 3503: MAP temperature fault 0 published records Generac Code 3504: MAP temperature fault 0 published records Generac Code 3515: High MAP temperature fault 0 published records Generac Code 3517: LCM MAP temperature fault 0 published records Generac Code 3600: Check air filter fault 0 published records Generac Code 3601: Check air filter fault 0 published records Generac Code 3602: Air filter sensor fault 0 published records Generac Code 3603: Air filter sensor fault 0 published records Generac Code 3604: Air filter sensor fault 0 published records Generac Code 3615: Check air filter fault 0 published records Generac Code 3617: Check air filter fault 0 published records Generac Code 3700: High coolant temperature fault 0 published records Generac Code 3701: LCM coolant temperature fault 0 published records Generac Code 3702: Coolant temperature fault 0 published records Generac Code 3703: Coolant temperature fault 0 published records Generac Code 3704: Coolant temperature fault 0 published records Generac Code 3715: High coolant temperature fault 0 published records Generac Code 3717: LCM coolant temperature fault 0 published records Generac Code 3803: High battery voltage fault 0 published records Generac Code 3804: LCM battery voltage fault 0 published records Generac Code 3900: High oil temperature fault 0 published records Generac Code 3901: Low oil temperature fault 0 published records Generac Code 3902: Oil temperature fault 0 published records Generac Code 3903: Oil temperature fault 0 published records Generac Code 3904: Oil temperature fault 0 published records Generac Code 3915: High oil temperature fault 0 published records Generac Code 3917: Low oil temperature fault 0 published records Generac Code 4003: Fuel system fault 0 published records Generac Code 4004: Fuel system fault 0 published records Generac Code 4100: Crankshaft sensor fault 0 published records Generac Code 4101: Crankshaft sensor fault 0 published records Generac Code 4102: Crankshaft sensor fault 0 published records Generac Code 4103: Crankshaft sensor fault 0 published records Generac Code 4104: Crankshaft sensor fault 0 published records Generac Code 4315: Oxygen sensor fault 0 published records Generac Code 4317: Oxygen sensor fault 0 published records Generac Code 4415: Engine knock sensor fault 0 published records Generac Code 4417: Engine knock sensor fault 0 published records Generac Code 4915: Fuel mixer fault 0 published records Generac Code 4917: Fuel mixer fault 0 published records Generac Code 5003: Charge-air cooler fault 0 published records Generac Code 5004: Charge-air cooler fault 0 published records Generac Code 5101: RPM low fault 0 published records Generac Code 5107: RPM fault 0 published records Generac Code 5115: RPM high fault 0 published records Generac Code 5117: RPM low fault 0 published records Generac DTC 180: DTC 180 fault 0 published records