Siemens SINAMICS PERFECT HARMONY GH180 Function Manual page 457

Fault display
Config file write alarm
Interrupt failure
Config file read error
CPU temperature alarm
CPU temperature fault
A/D hardware fault
M1 Permit Watchdog
NXGPro+ Control Manual
Operating Manual, A5E50491925A
Type Enable Potential causes and corrective actions
A Fixed Cause
Occurs if system is not able to write a master or slave config file.
Action
Contact Siemens customer service.
F Fixed Cause
No interrupts detected on initialization.
Action
1. Toggle control power.
2. If this does not solve the problem, contact Siemens customer service.
F Fixed Cause
Occurs if system is not able to read data from a master of slave config file.
Action
Contact Siemens customer service.
A Fixed Cause
CPU temperature is > 98 °C.
Action
1. Adjust temperature to the new NXGPro+ values that are software set.
2. Contact Siemens customer service.
F Fixed Cause
CPU temperature is > 103 °C. This fault is not logged because the board
resets.
Action
1. Adjust temperature to the new NXGPro+ values that are software set.
2. Contact Siemens customer service.
F Fixed Cause
A/D board hardware error persists and cannot be cleared.
Action
1. Replace DCR.
F Fixed Cause
The "M1 Permit Watchdog" fault indicates an M1 permissive watchdog
time out has occurred. For further information about the M1 Permit
watchdog, refer to Section Watchdog Protections in Chapter NXGpro Con‐
trol Description.
Action
1. Toggle control power.
2. Replace DCR.
3. Contact Siemens customer service.
Troubleshooting Faults and Alarms
11.6 Drive Faults and Alarms System Related
455