c1 drafted · lead SCCPXT-E7-WA-en-37
- SCCPXT-E7-WA-en-37
tbl=38.r14h=9f9fdf56bcf5
Fault codes › SMA › Sunny Central 500CP XT-1000CP XT
SMA SC-CP-XT 7605
Class
not stated
Production
not stated
Decoded
Reports internal communication failure; do: communication cable check, cable replacement, contact manufacturer service.
What can be behind Internal communication failure
Failure modes that present as the reported condition, and the tests that tell them apart.
- Communication bus wiring or termination fault drafted · lead
- Real-time clock failure verified · fact
Defined in
- SCCPXT-E7-WA-en-37 — SMA drafted · lead
tbl=38.r14h=9f9fdf56bcf5
- Event 7605 with Central Inverters — SMA drafted · lead
sec=h1h=c1f652a3594e
The manufacturer's own cause and corrective text is not reproduced here.
Same condition on other equipment
Claims
defined_in
c2 drafted · lead Event 7605 with Central Inverters
- Event 7605 with Central Inverters
sec=h1h=c1f652a3594e
reports
c3 drafted · lead Internal communication failure
- SCCPXT-E7-WA-en-37
tbl=38.r14h=9f9fdf56bcf5 - Event 7605 with Central Inverters
sec=h1h=c1f652a3594e
mitigated_by
c4 drafted · lead Communication cable check
Fiber optic link between stack and control module; applies to central inverter variants per knowledge article.
- Event 7605 with Central Inverters
sec=h1h=c1f652a3594e
review note: support check: partial - Article covers checking fiber optic plug connection and bend radius, but it's not a generic communication cable check by name;…
c5 drafted · lead Cable replacement
- Event 7605 with Central Inverters
sec=h1h=c1f652a3594e
c6 drafted · lead Contact manufacturer service
- SCCPXT-E7-WA-en-37
tbl=38.r14h=9f9fdf56bcf5
has_recovery
c7 drafted · lead Manual reset (operator restarts or acknowledges)
Acknowledge after checking connection; escalate to cable then module replacement if persistent.
- Event 7605 with Central Inverters
sec=h1h=c1f652a3594e
review note: support check: partial - Article describes pressing Ack on the AST, then cable and AST replacement, but the classification as manual reset is only…
applies_to
c8 drafted · lead Sunny Central CP XT
- SCCPXT-E7-WA-en-37
tbl=38.r14h=9f9fdf56bcf5 - Event 7605 with Central Inverters
sec=h1h=c1f652a3594e