When replacing the mainboard in a Siemens frequency inverter repair, since the mainboard contains a microprocessor and memory devices with programs, it can be directly replaced for Siemens frequency inverters of the same model and power. After replacement, parameters can be adjusted for operation. However, for Siemens frequency inverters of the same model but different power, some inverter parameters need to be readjusted after replacing the mainboard for normal operation. If, after replacing the mainboard, very few parameters are readable and factory settings cannot be restored, then the inverter parameters need to be adjusted.
Siemens frequency converter motherboard
When replacing the mainboard in a Siemens frequency inverter , since the mainboard contains a microprocessor and memory devices with programs, it can be replaced directly for Siemens frequency inverters of the same model and power. After replacement, the parameters can be adjusted for operation. However, for Siemens frequency inverters of the same model but different power, some inverter parameters need to be adjusted again after replacing the mainboard for normal operation.
Siemens frequency converter operation panel
First, set the user access level of the inverter menu P0003 to 3 and confirm. Then, adjust the parameter to r200 and note the value of r200. Next, adjust the parameter to P201 and check if the value of P201 matches the value of r200. If they do not match, adjust the value of P201 to match r200. Then, adjust the parameter to P0010, select 30 (factory setting) in the P0010 value option and confirm. Finally, adjust the parameter to P970, change the value of P970 from 0 to 1, and press the confirm key. The Siemens inverter will then enter the factory default state. After about thirty seconds, the factory default will be completed, and the inverter will be able to operate normally.
