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Fault codes › Sungrow › Sungrow SG36/60CX-US

Sungrow SG-CX-US 078-081

Code
078-081
Shown as
PVx abnormal
Page
96
ID
fc:sungrow-sg-cx-us-78-81
IRI
https://solarlattice.org/kb/fc/sungrow-sg-cx-us-78-81
Status
active
Also known as
078-081, 78-81, Sungrow 078-081, PVx abnormal
Category
Inverters
Class warning drafted · lead
Production not stated
Clears not stated

Decoded

Reports abnormal PV input; do: DC wiring check, DC fuse replacement, contact manufacturer service.

What can be behind Abnormal PV input

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

CPS
CPS SCA50-100K-T Fault0000-0150, CPS SCA50-100K-T Fault1000-1070, CPS SCA50-100K-T Fault5000, CPS SCA50-100K-T Protect0380
Huawei
Huawei SUN2000-45KTL-US-HV-D0 413
SMA
SMA SBSE-US-50 6801, SMA SBSE-US-50 6901, SMA STP-TL-US 6801-6802, SMA STP-TL-US 6901-6902, SMA SI-US W854, SMA SI-US W864, SMA SI-US W874, SMA SI-US W884
Sungrow
Sungrow SG-CX-US 220-227, Sungrow SG-CX-US 548-563, Sungrow SG-CX-US 580-587, Sungrow SG200HX 548-563, Sungrow SG200HX 580-595, Sungrow SG250HX 548-563, Sungrow SG250HX 580-595, Sungrow SG350HX 548-563, Sungrow SG350HX 580-595

Claims

defined_in

c1 drafted · lead Sungrow 36 60CX-US IOM

c2 drafted · lead Sungrow SG36_60CX-US User Manual Ver17 202411

reports

c3 drafted · lead Abnormal PV input

Codes map to PV inputs 1 to 4.

has_event_class

c4 drafted · lead Warning (device continues, a condition is flagged)

Described as an alarm that may be ignored for unused inputs.

review note: support check: partial - Row says alarm may be ignored for unused strings; warning class is implied but not explicit.

mitigated_by

c5 drafted · lead DC wiring check

c6 drafted · lead DC fuse replacement

If the input's DC fuse is damaged.

c7 drafted · lead Contact manufacturer service

applies_to

c8 drafted · lead Sungrow SG36/60CX-US

Data