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Fault codes › CPS › CPS SCA50/60KTL-DO/US-480

CPS SCA50-60KTL Protect0070

Code
Protect0070
Shown as
Bus imbalance
Vendor severity
Protection
Page
5
ID
fc:chint-sca-50-60ktl-protect70
IRI
https://solarlattice.org/kb/fc/chint-sca-50-60ktl-protect70
Status
active
Also known as
Protect0070, protect70, CPS Protect0070, Bus imbalance
Category
Inverters
Class fault drafted · lead
Production not stated
Clears not stated

Decoded

Reports DC link fault; look at inverter; do: inverter parameter adjustment, inverter replacement.

What can be behind DC link fault

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 SCA36KTL Fault0110, CPS SCA36KTL Fault0130, CPS SCA36KTL Fault0020, CPS SCA36KTL Fault0080, CPS SCA36KTL Protect0110, CPS SCA36KTL Protect0070, CPS SCA36KTL Protect0090, CPS SCA50-60KTL Fault0110, CPS SCA50-60KTL Fault0130, CPS SCA50-60KTL Fault0020, CPS SCA50-60KTL Fault0080, CPS SCA50-60KTL Protect0110, CPS SCA50-60KTL Protect0090
Fronius
Fronius Primo 479, Fronius Symo 479
Huawei
Huawei SUN2000-25-30KTL-US 200, Huawei SUN2000-45KTL-US-HV-D0 200

Same code in other families

Claims

defined_in

c1 drafted · lead CPS-SCA36-50-60KTL fault and troubleshooting

has_event_class

c2 drafted · lead Fault (device stops or needs intervention)

from the Type column

reports

c3 drafted · lead DC link fault

DC bus imbalance.

affects

c4 drafted · lead Inverter

mitigated_by

c5 drafted · lead Inverter parameter adjustment

Raise DC current limit to tolerate grid phase imbalance.

c6 drafted · lead Inverter replacement

If alarm persists after adjustment.

applies_to

c7 drafted · lead CPS SCA50-60KTL-DO/US-480

Data