Notifications
Clear all
MICROMASTER 420 (MM420)
2
Posts
1
Users
0
Likes
58
Views
Jun 09, 2022 5:38 am
How can resolve problem A0505 alarm in siemens micromaster 420 or MM420 drive ?
1 Reply
Jun 09, 2022 5:39 am
Cause : Inverter I2T
- overload alarm limit P0294 is exceeded (refer to utilization r0036)
- the pulse frequency and/or the output frequency is reduced as a function of the setting of parameter P0290
check whether the load duty cycle lies within the permissible limits.
