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Fault codes › Sungrow › Sungrow SG200HX-US

Sungrow SG200HX 1470

Code
1470
Shown as
MPPT connection unbalance alarm
Page
94
ID
fc:sungrow-sg200hx-1470
IRI
https://solarlattice.org/kb/fc/sungrow-sg200hx-1470
Status
active
Also known as
1470, Sungrow 1470, MPPT connection unbalance alarm
Category
Inverters
Class warning drafted · lead
Production not stated
Clears not stated

Decoded

Reports unbalanced MPPT string connection; look at PV input terminal; do: string configuration correction.

What can be behind Unbalanced MPPT string connection

Failure modes that present as the reported condition, and the tests that tell them apart.

Defined in

The manufacturer's own cause and corrective text is not reproduced here.

Same condition on other equipment

Solis
Solis 3P-5G-US Reve-DC, Solis S5-GC Reve-DC, Solis S6-GC Reve-DC, Solis S6-GU Reve-DC
Sungrow
Sungrow SG350HX 1470

Same code in other families

Claims

defined_in

c1 drafted · lead Sungrow SG200HX-US User Manual

reports

c2 drafted · lead Unbalanced MPPT string connection

review note: support check: partial - The alarm is an MPPT connection unbalance and the fix is to connect strings to each MPPT, which roughly matches,…

has_event_class

c3 drafted · lead Warning (device continues, a condition is flagged)

affects

c4 drafted · lead PV input terminal

review note: support check: partial - The passage concerns MPPTs having PV strings connected, which implies the PV input, but it never names the PV input terminal.

mitigated_by

c5 drafted · lead String configuration correction

Make sure every MPPT on each heatsink has strings connected; contact service if the alarm returns.

applies_to

c6 drafted · lead Sungrow SG200HX-US

Data