What it means
A01098 (RTC: Date and time setting required) reports that the real-time clock no longer shows an accurate date and time: the power supply for the Control Unit was interrupted for an extended period. The alarm is only output when p8405 = 1, the factory setting; p8405 is the parameter that activates and deactivates this alarm.
Why it appears
- The power supply for the Control Unit was interrupted for an extended period, so the date and time displayed on the real-time clock are no longer accurate.
What to check
- Set the date and time on the real-time clock. The manual points to p8401 for the RTC date and p8400 for the RTC time.
Parameters the manual names
- p8400 — the RTC time; set it here to put the correct time back on the real-time clock.
- p8401 — the RTC date; set it here to put the correct date back on the real-time clock.
- p8405 — activates and deactivates alarm A01098; the alarm is only issued while p8405 = 1 (factory setting).
Acknowledging and restarting
No acknowledgment is required for this alarm. Setting the date and time on the real-time clock (p8401, p8400) resolves what the alarm reports.
The same on every family
Every manual that describes A01098 gives it the same reaction, acknowledgement and message class.
| Drive family | Reaction | Acknowledge | Message class | Component | Manual |
|---|---|---|---|---|---|
| G120XA | — | NONE | — | — | SINAMICS G120XA PN converter · p. 1108 |
Questions technicians ask
What does alarm A01098 mean on a SINAMICS G120XA?
The power supply for the Control Unit was interrupted for an extended period, so the date and time on the real-time clock are no longer accurate and must be set again.
How do I clear alarm A01098?
Set the date and time on the real-time clock — p8401 for the RTC date and p8400 for the RTC time. The alarm requires no acknowledgment.
Can alarm A01098 be switched off?
Yes. The alarm is only output when p8405 = 1 (factory setting), and p8405 activates and deactivates this alarm.
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 A01xxx group · SINAMICS manuals · Siemens manuals