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CPS SCA36KTL Protect0020

Code
Protect0020
Shown as
Grid relay error
Vendor severity
Protection
Page
5
ID
fc:chint-sca-36ktl-protect20
IRI
https://solarlattice.org/kb/fc/chint-sca-36ktl-protect20
Status
active
Also known as
Protect0020, protect20, CPS Protect0020, Grid relay error
Category
Inverters
Class fault drafted · lead
Production stops verified · fact
Clears after a manual reset verified · fact

Decoded

May indicate relay failure; look at inverter; do: inverter restart, inverter replacement.

Defined in

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

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

indicates

c3 drafted · lead Relay failure

review note: support check: partial - Grid relay error is named, but relay failure as a failure mode is only loosely implied.

affects

c4 verified · fact Inverter

verified by: joshuahamsaverified on: 2026-10-20

mitigated_by

c5 drafted · lead Inverter restart

c6 drafted · lead Inverter replacement

Only if a power-cycle does not clear the fault.

has_production_effect

c7 verified · fact Trip (production stops)

verified by: joshuahamsaverified on: 2026-10-20review note: support check: partial - Protection with restart needed implies stop, but not explicitly stated.

has_recovery

c8 verified · fact Manual reset (operator restarts or acknowledges)

Power-cycle first; replace inverter if fault persists.

verified by: joshuahamsaverified on: 2026-10-20

applies_to

c9 drafted · lead CPS SCA36KTL-DO/US-480

Data