What it means
A30315 is the alarm Power unit: 24 V power supply overloaded by PM
. It reports that the 24 V power supply through the Power Module (PM) is overloaded. Depending on the drive's configuration, the same condition can also be output as the fault F30315.
Why it appears
- The 24 V power supply routed through the Power Module (PM) is overloaded.
- No external 24 V power supply is connected via X124 on the Control Unit.
What to check
- Connect an external 24 V power supply via X124 on the Control Unit. This is the remedy the manuals give for this message; they describe no further checks.
Acknowledging and restarting
As an alarm, A30315 does not have to be acknowledged. If the drive outputs the same condition as the fault F30315, it is acknowledged immediately by switching POWER ON. In either case the cause has to be removed first: connect the external 24 V power supply via X124 on the Control Unit.
The same on every family
Every manual that describes A30315 gives it the same reaction, acknowledgement and message class.
| Drive family | Reaction | Acknowledge | Message class | Component | Manual |
|---|---|---|---|---|---|
| S120, S150 | NONE | NONE | Supply voltage fault (undervoltage) (3) | Power Module | SINAMICS S120, S150 List Manual · p. 2970 |
| G130, G150 | NONE | NONE | Supply voltage fault (undervoltage) (3) | Power Module | SINAMICS G130, G150 List Manual · p. 1674 |
The drives this code lives on
A30315 is described for G130, G150, S120, S150. These are the converters of those families in our catalogue — price on request.
Questions technicians ask
What does SINAMICS alarm A30315 mean?
It reports that the 24 V power supply through the Power Module (PM) is overloaded. The manual names the missing external 24 V power supply via X124 on the Control Unit as the associated cause.
How do I clear alarm A30315?
Connect an external 24 V power supply via X124 on the Control Unit. As an alarm, the message does not have to be acknowledged.
Can A30315 also appear as a fault?
Yes. Depending on the drive's configuration, the same condition is output as the fault F30315, which is acknowledged immediately by switching POWER ON.
Codes next to this one
Source
Written from Siemens' own List Manuals and operating instructions; every number, designation and parameter on this page is checked against them before publication.
All SINAMICS codes: fault and alarm codes · the A30xxx group · SINAMICS manuals · Siemens manuals