Growatt MTL-S - 1.4 AC F Outrange; 1.5 Over Temperature; 1.6 Output High DCI; 1.7 Residual I high

Growatt New Energy Australia Pty Ltd
C1, 27-29 Fariola Street,
Silverwater NSW 2128
Phone: 02 8065 1298
Email: australia@ginverter.com
Email:
ausupport@ginverter.com
www.ginverter.com
1.4 AC F Outrange
Cause: The grid frequency is out of permitted range, or the inverter’s frequency limits is
incorrect.
Error message
Description
Solutions
AC F Outrange
Grid frequency out of
permitted range
1. Check grid frequency
2. Contact Growatt to claim
warranty
1.5 Over Temperature
Error message
Description
Solutions
Over Temperature
Temperature outrange
1. Reboot inverter
2. Contact Growatt to claim
warranty
1.6 Output High DCI
Error message
Description
Solutions
Output High DCI
Output current DC offset
too high
1. Reboot inverter
2. Contact Growatt to claim
warranty
1.7 Residual I high
Error message
Description
Solutions
Residual I high
Leakage current too high
1. Reboot inverter
2. Test the AC leakage
current on solar
switches
3. Test DC side following
1.3 procedures
4. Contact Growatt to
claim warranty, if the
leakage issues are clear.
1.8 PV Voltage High
Error message
Description
Solutions