© 2021 Hoymiles Power Electronics Inc. All rights reserved.
16
Single-phase Microinverter User Manual
205
Input port overvoltage
1. Please make sure that the PV module open-circuit voltage is less than
or equal to the maximum input voltage.
2. If the PV module open-circuit voltage is not within the normal range,
contact your dealer or Hoymiles Technical Service Center.
207
Input port undervoltage
1. Please make sure that the PV module open-circuit voltage is less than
or equal to the maximum input voltage.
2. If the PV module open-circuit voltage is not within the normal range,
contact your dealer or Hoymiles Technical Service Center.
209
Port no input
1. Please confirm whether this port is connected to the PV module.
2. If the PV module is connected, please check the DC cable connection
between this port and the PV module.
210
Port 2 no input
1. Please confirm whether this port is connected to the PV module.
2. If the PV module is connected, please check the DC cable connection
between this port and the PV module.
301
Hardware error code 301
1. If the alarm occurs accidentally and the microinverter can still
function normally, no special treatment is required.
2. If the alarm occurs frequently and cannot be restored, contact your
dealer or Hoymiles Technical Service Center.
302
Hardware error code 302
1. If the alarm occurs accidentally and the microinverter can still
function normally, no special treatment is required.
2. If the alarm occurs frequently and cannot be restored, contact your
dealer or Hoymiles Technical Service Center.
303
Hardware error code 303
1. If the alarm occurs accidentally and the microinverter can still
function normally, no special treatment is required.
2. If the alarm occurs frequently and cannot be restored, contact your
dealer or Hoymiles Technical Service Center.
304
Hardware error code 304
1. If the alarm occurs accidentally and the microinverter can still
function normally, no special treatment is required.
2. If the alarm occurs frequently and cannot be restored, contact your
dealer or Hoymiles Technical Service Center.
305
Hardware error code 305
1. If the alarm occurs accidentally and the microinverter can still
function normally, no special treatment is required.
2. If the alarm occurs frequently and cannot be restored, contact your
dealer or Hoymiles Technical Service Center.
306
Hardware error code 306
1. If the alarm occurs accidentally and the microinverter can still
function normally, no special treatment is required.
2. If the alarm occurs frequently and cannot be restored, contact your
dealer or Hoymiles Technical Service Center.
307
Hardware error code 307
1. If the alarm occurs accidentally and the microinverter can still
function normally, no special treatment is required.
2. If the alarm occurs frequently and cannot be restored, contact your
dealer or Hoymiles Technical Service Center.
308
Hardware error code
308
1. If the alarm occurs accidentally and the microinverter can still
function normally, no special treatment is required.
2. If the alarm occurs frequently and cannot be restored, contact your
dealer or Hoymiles Technical Service Center.
