Generac PowerPact 5.6 kVA 50 Hz troubleshooting: 8 fault codes and symptom-cause-remedy entries from the manufacturer's own service documentation.
Generac PowerPact 5.6 kVA 50 Hz — full specs, parts & maintenance.
| Code | Meaning |
|---|---|
| FAULT_01 | Generator Produces Zero Voltage or Residual Voltage |
| FAULT_02 | Generator Produces Low Voltage at No-Load |
| FAULT_03 | Generator Produces High Voltage at No-Load |
| FAULT_04 | Voltage and Frequency Drop Excessively When Loads Are Applied |
| Symptom | Cause | Remedy |
|---|---|---|
| Generator Produces Zero Voltage or Residual Voltage | TEST 4 – PERFORM FIXED EXCITATION / ROTOR AMP DRAW D G A C B REPLACE VOLTAGE REGULATOR TEST 7 – CHECK BRUSHES & SLIP RINGS BAD REPLACE ROTOR AND STATOR BAD TEST 1 – CHECK MAIN CIRCUIT BREAKER TEST 6 – RESISTANCE CHECK OF ROTOR AND ROTOR CIRCUIT TEST 6 – RESISTANCE CHECK OF ROTOR AND ROTOR CIRCUIT TEST 9 – TEST STATOR | REPLACE Rotor Only, REPLACE Stator Only, REPLACE Rotor and Stator, PERFORM INSULATION RESISTANCE TEST |
| Generator Produces Low Voltage at No-Load | TEST 4 – PERFORM FIXED EXCITATION / ROTOR AMP DRAW F E H BAD REPLACE Rotor and Stator BAD TEST 9 – TEST STATOR GOOD TEST 6 – RESISTANCE CHECK OF ROTOR AND ROTOR CIRCUIT TEST 6 – RESISTANCE CHECK OF ROTOR AND ROTOR CIRCUIT | PERFORM ROTOR INSULATION RESISTANCE TEST, REPLACE Defective Voltage Regulator, ADJUST Voltage Regulator, CHECK AC Output Frequency, ADJUST Engine Governor |
| Generator Produces High Voltage at No-Load | TEST 11 – CHECK AC OUTPUT VOLTAGE TEST 14 – ADJUST VOLTAGE REGULATOR TEST 12 – CHECK AC OUTPUT FREQUENCY TEST 13 - ADJUST ENGINE GOVERNOR | REPLACE Defective Voltage Regulator |
| Voltage and Frequency Drop Excessively When Loads Are Applied | TEST 9 – CHECK STATOR AC POWER WINDINGS | NOT PROVIDED IN THE TEXT |
Fault codes and symptom→remedy steps extracted from this model’s service/owner documentation; verify against the official manual before servicing.
Documented causes: TEST 4 – PERFORM FIXED EXCITATION / ROTOR AMP DRAW D G A C B REPLACE VOLTAGE REGULATOR TEST 7 – CHECK BRUSHES & SLIP RINGS BAD REPLACE ROTOR AND STATOR BAD TEST 1 – CHECK MAIN CIRCUIT BREAKER TEST 6 – RESISTANCE CHECK OF ROTOR AND ROTOR CIRCUIT TEST 6 – RESISTANCE CHECK OF ROTOR AND ROTOR CIRCUIT TEST 9 – TEST STATOR. See the table for the matching fixes.
Documented causes: TEST 4 – PERFORM FIXED EXCITATION / ROTOR AMP DRAW F E H BAD REPLACE Rotor and Stator BAD TEST 9 – TEST STATOR GOOD TEST 6 – RESISTANCE CHECK OF ROTOR AND ROTOR CIRCUIT TEST 6 – RESISTANCE CHECK OF ROTOR AND ROTOR CIRCUIT. See the table for the matching fixes.
Documented causes: TEST 11 – CHECK AC OUTPUT VOLTAGE TEST 14 – ADJUST VOLTAGE REGULATOR TEST 12 – CHECK AC OUTPUT FREQUENCY TEST 13 - ADJUST ENGINE GOVERNOR. See the table for the matching fixes.