Technical Data - Growatt MAC 30KTL3-X LV Installation & Operation Manual

No AC Connection
Error 302
PE abnormal
Error 303
AC F Outrange
Error 304
Output DC current too high.
Error 402
Output current unbalance
Error 403
bus sample fault
Error 404
Relay fault
Error 405
NTC Temperature too high
Error 408
Bus voltage abnormal
Error 409
Communication fault
Error 411
IGBT drive fault
Error 413
Internal power test fail（PV
Error 415
Power low）
Over current protected by
Error 416
software
GFCI Module damage
Error 420
sampling is inconsistent
Error 422
AFCI self-test fault
Error 425
PV Curr Sample Fault
Error 426
AC Curr Sample Fault
Error 427

10. Technical Data

manufacturer.
1.After shutdown,Check AC wiring.
2.If error message still exists,contact manufacturer.
1.Check PE,to ensure that the PE line contact good.
2.If error message still exisits,contact Manufacturer
1.Restart inverter.
2.If error message still exists,contact manufacturer.
1.Restart inverter.
2.If error message still exists,contact manufacturer.
1: After shutdown,Check the output current is not balanced.
2: If the error message still exists, contact manufacturer
1.Restart inverter.
2.If error message still exists,contact manufacturer.
1.Restart inverter.
2.If error message still exists,contact manufacturer.
1. .After shutdown,Check the temperature, normal restart
the inverter
2. If the error message still exists, contact manufacturer
1.Restart inverter.
2.If error message still exists,contact manufacturer.
1.After shutdown,Check communication board wiring
2. If the error message still exists, contact manufacturer
1.Restart inverter.
2.If error message still exists,contact manufacturer.
1.Restart inverter.
2.If error message still exists,contact manufacturer.
1.Restart inverter.
2.If error message still exists,contact manufacturer.
1: After shutdown,Check the leakage current module
2: If the error message still exists, contact manufacturer
1.Restart inverter.
2.If error message still exists,contact manufacturer.
1.Restart inverter
2.If error message still exists, contact manufacturer.
1.Restart inverter
2.If error message still exists, contact manufacturer.
1.Restart inverter
2.If error message still exists, contact manufacturer.
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编号：GR-UM-C -00