c1 drafted · lead CPS SCA100K-T-US-480 SCA50K-T-US-208 User Manual Rev 1.0
- CPS SCA100K-T-US-480 SCA50K-T-US-208 User Manual Rev 1.0
tbl=69.r3h=5b1a1b008279
Fault codes › CPS › CPS SCA100K-T-US-480 / SCA50K-T-US-208
CPS SCA50-100K-T PFault0020
Production
not stated
Decoded
Reports neutral point voltage imbalance; do: inverter restart.
What can be behind Neutral point voltage imbalance
Failure modes that present as the reported condition, and the tests that tell them apart.
Defined in
- CPS SCA100K-T-US-480 SCA50K-T-US-208 User Manual Rev 1.0 — CPS (Chint Power Systems) · page 151 drafted · lead
tbl=69.r3h=5b1a1b008279
The manufacturer's own cause and corrective text is not reproduced here.
Same condition on other equipment
Claims
defined_in
has_event_class
c2 drafted · lead Fault (device stops or needs intervention)
- CPS SCA100K-T-US-480 SCA50K-T-US-208 User Manual Rev 1.0
tbl=69.r3h=5b1a1b008279 - CPS SCA100K-T-US-480 SCA50K-T-US-208 User Manual Rev 1.0
tbl=69h=ea31ef6dd96a
review note: support check: partial - The table lists a hardware 'Bus Different High Fault', but it does not state the device's behaviour.
reports
c3 drafted · lead Neutral point voltage imbalance
- CPS SCA100K-T-US-480 SCA50K-T-US-208 User Manual Rev 1.0
tbl=69.r3h=5b1a1b008279
review note: support check: partial - 'Bus Different High' suggests an imbalance between the bus halves, but the row does not mention a neutral point.
mitigated_by
c4 drafted · lead Inverter restart
- CPS SCA100K-T-US-480 SCA50K-T-US-208 User Manual Rev 1.0
tbl=69.r3h=5b1a1b008279
has_recovery
c5 drafted · lead Manual reset (operator restarts or acknowledges)
Power-cycle AC and DC first; contact service if it persists.
- CPS SCA100K-T-US-480 SCA50K-T-US-208 User Manual Rev 1.0
tbl=69.r3h=5b1a1b008279
applies_to
c6 drafted · lead CPS SCA100K-T-US-480 / SCA50K-T-US-208
- CPS SCA100K-T-US-480 SCA50K-T-US-208 User Manual Rev 1.0
tbl=69.r3h=5b1a1b008279