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6) After finishing cleaning, assemble back the fans in reverse order.
B. If the fan is not stuck, check whether the fan is broken, especially motor bracket of fan is
broken or not.
Fig.2.1.11 Cooling fan
Fan replacement is required if it fails to work. The procedure is similar to fan cleaning procedure;
the difference is that broken fan should be exchanging before assembling the inverter in reverse
order. Please contact Growatt service to get new one if there are some broken fans in inverter.
Warning 103
Fail to read EEPROM.
1. Please power off the inverter completely till there is nothing displayed on LCD and restart,
observe whether the warning is cleared.
2. If the warning is not cleared, please refer step 9) in Annex 2 to reset the model value and serial
number (S/N), and then restart the inverter for retry.
3. If the warning still exists, please refer Annex 2 to replace COM board and control board.
Warning 104
Firmware version unmatched
1. Please register model name indicated on the data label beside inverter.
Motor Bracket
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