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Huawei SUN2000-100KTL-USH0 61440

Code
61440
Shown as
Faulty Monitoring Unit
Vendor severity
Minor
Page
123
ID
fc:huawei-sun2000-100ktl-ush0-61440
IRI
https://solarlattice.org/kb/fc/huawei-sun2000-100ktl-ush0-61440
Status
active
Also known as
61440, Huawei 61440, Faulty Monitoring Unit
Category
Inverters
Class warning drafted · lead
Production unaffected verified · fact
Clears needs service drafted · lead

Decoded

Reports data storage failure; may indicate flash memory failure; look at monitoring board; do: monitoring board replacement.

What can be behind Data storage failure

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 SCA25KTL-208 Warn0030, CPS SCA25KTL-480 Warn0030, CPS SCA50-100K-T Warn0030, CPS SCH100-125KTL Warn0030, CPS SCH125KTL-AIO Warn0030, CPS SCH200-250K-T Warn0030, CPS SCH275KTL Warn0030, CPS SCH350KTL Warn0030
Fronius
Fronius Galvo 736, Fronius Galvo 738, Fronius Primo 451, Fronius Primo 736, Fronius Primo 738, Fronius Symo 451, Fronius Symo 736, Fronius Symo 737, Fronius Symo 738, Fronius Symo 740, Fronius Symo 741
Huawei
Huawei SUN2000-25-30KTL-US 61440, Huawei SUN2000-45KTL-US-HV-D0 61440
SMA
SMA CORE1-US 7201, SMA CORE1-US 7202, SMA STP-TL-US 7201-7202

Same code in other families

Claims

defined_in

c1 drafted · lead Huawei SUN2000-100KTL-USH0 User Manual

has_event_class

c2 drafted · lead Warning (device continues, a condition is flagged)

from the Type column

reports

c3 drafted · lead Data storage failure

indicates

c4 verified · fact Flash memory failure

verified by: review-workflowverified on: 2026-10-23

affects

c5 drafted · lead Monitoring board

mitigated_by

c6 drafted · lead Monitoring board replacement

has_production_effect

c7 verified · fact No production effect

verified by: review-workflowverified on: 2026-10-23

has_recovery

c8 drafted · lead Service required

This model's manual prescribes board replacement; another model's manual tries a power cycle first.

review note: support check: partial - Replacing the monitoring board is service-required, but the passages say nothing about another model's manual trying a power cycle first.

applies_to

c9 drafted · lead Huawei SUN2000-100KTL-USH0

Data