Trouble Shooting; Warning - Growatt MAC 30KTL3-X LV Installation & Operation Manual

3. Disconnect the wire connector of the fans with a flat head screw driver and remove the fans from the fan guards, it is
shown as below.
4. Clean fan, fan guards and heat sink or replace fan.
1） Clean the fan and fan guards with air pump, brush or a damp cloth.
2） Remove each fan separately for cleaning if necessary.
3） Remove the fan that need to replace with a cross screwdriver, replace a new fan.
4） Tidy up the wire；
5.Install the fan, fan guard fixed and the inverter again.

9.2 Trouble Shooting

●
Work on the Growatt Max must be carried out by qualified
personnel.
●Normally grounded conductors may be ungrounded
DANGER
and energized when a PV isolation low is indicated.
●Risk of electric shock。

9.2.1 Warning

Warnings identify the current status of the inverter(Max), warnings do not related to a fault and it does not affect the normal
running of the inverter. When a warning with a number after it appears in the display, it indicates a warning code and is
usually cleared through an orderly shutdown/re-set or a self-corrective action performed by the inverter.
See the warning code in the following table;
Warning Message
Warning 200
Warning 202
Warning 203
Warning 206
Description
String fault
DC SPD function
abnormal
PV Circuit short
AC SPD function
abnormal
Suggestion
1.After shutdown,Check the panel is normal.
2.If error message still exists, contact manufacturer.
1.After shutdown,Check the DC SPD.
2.If error message still exists,contact manufacturer.
1.Check the PV1 or PV2 wiring is short-circuited
2.If error message still exists,contact manufacturer.
1.After shutdown,Check the AC SPD.
2.If error message still exists,contact manufacturer.
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编号：GR-UM-C -00