Solar Lattice

Fault codes › CPS › CPS SCH200K-T-US-480 / SCH250K-T-US-600

CPS SCH200-250K-T Warn0050

Code: Warn0050
Shown as: TempSensorErr
Vendor severity: Warning
Page: 105
ID: fc:chint-sch-200-250k-t-warn50
IRI: https://solarlattice.org/kb/fc/chint-sch-200-250k-t-warn50
Status: active
Also known as: Warn0050, warn50, CPS Warn0050, TempSensorErr
Category: Inverters

Class warning drafted · lead

Production not stated

Clears after a manual reset drafted · lead

Decoded

May indicate temperature sensor fault; look at temperature sensor; confirm with inverter display check; do: inverter restart.

Defined in

CPS SCH200-250K-T-US User Manual Aug 2026 — CPS (Chint Power Systems) · page 105 drafted · lead
- tbl=41.r2 h=bdcffc47d65d

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

Same code in other families

Claims

`defined_in`

c1 drafted · lead CPS SCH200-250K-T-US User Manual Aug 2026

CPS SCH200-250K-T-US User Manual Aug 2026 tbl=41.r2 h=bdcffc47d65d

`has_event_class`

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

from the code prefix

CPS SCH200-250K-T-US User Manual Aug 2026 tbl=41.r2 h=bdcffc47d65d

`indicates`

c3 drafted · lead Temperature sensor fault

CPS SCA100K-T-US-480 SCA50K-T-US-208 User Manual Rev 1.0 tbl=47.r3 h=484e3858d5c4
CPS SCH100-125KTL-DO-US-600-480 User Manual Rev 1.9 tbl=34.r4 h=293b6da87375

`affects`

c4 drafted · lead Temperature sensor

CPS SCA100K-T-US-480 SCA50K-T-US-208 User Manual Rev 1.0 tbl=47.r3 h=484e3858d5c4
CPS SCH100-125KTL-DO-US-600-480 User Manual Rev 1.9 tbl=34.r4 h=293b6da87375

`detected_by`

c5 drafted · lead Inverter display check

Check the displayed temperature reading

CPS SCH100-125KTL-DO-US-600-480 User Manual Rev 1.9 tbl=34.r4 h=293b6da87375
CPS SCA25KTL-DO-US-208 User Manual Rev 1.2 tbl=48.r3 h=92744a5bbe83
CPS 25kW User Manual Rev 2.1 tbl=56.r4 h=1a288429d4be
CPS SCH125KTL-AIO-US-600 Sep 2020 tbl=30.r4 h=d151d754f8e6
CPS SCH275KTL-DO-US-800 V2 User Manual Rev 1.7 tbl=25.r4 h=293b6da87375

`mitigated_by`

c6 drafted · lead Inverter restart

CPS SCH100-125KTL-DO-US-600-480 User Manual Rev 1.9 tbl=34.r4 h=293b6da87375
CPS SCA25KTL-DO-US-208 User Manual Rev 1.2 tbl=48.r3 h=92744a5bbe83
CPS 25kW User Manual Rev 2.1 tbl=56.r4 h=1a288429d4be
CPS SCH125KTL-AIO-US-600 Sep 2020 tbl=30.r4 h=d151d754f8e6
CPS SCH275KTL-DO-US-800 V2 User Manual Rev 1.7 tbl=25.r4 h=293b6da87375

`has_recovery`

c7 drafted · lead Manual reset (operator restarts or acknowledges)

Reboot by power cycling the supply; contact service if it persists

CPS SCH100-125KTL-DO-US-600-480 User Manual Rev 1.9 tbl=34.r4 h=293b6da87375
CPS SCA25KTL-DO-US-208 User Manual Rev 1.2 tbl=48.r3 h=92744a5bbe83
CPS 25kW User Manual Rev 2.1 tbl=56.r4 h=1a288429d4be
CPS SCH125KTL-AIO-US-600 Sep 2020 tbl=30.r4 h=d151d754f8e6
CPS SCH275KTL-DO-US-800 V2 User Manual Rev 1.7 tbl=25.r4 h=293b6da87375

review note: support check: partial - A manual power-cycle reboot is recommended, but the passages don't state that it clears the warning; u31 also mentions automatic elimination.

`applies_to`

c8 drafted · lead CPS SCH200K-T-US-480 / SCH250K-T-US-600

CPS SCH200-250K-T-US User Manual Aug 2026 tbl=41.r2 h=bdcffc47d65d

Data