Occasionally AMH actuator pins get bent due to insufficient supply pressure or other errors. One resulting error might be "AMH unable to lift mass load ERR#122"
The actuators are quite easy to replace. The part number is below and the procedure to replace.
Part Number: 3123262
Steps to replace actuator assembly
- remove 2 tubes from bad actuator
- unscrew tube fittings to access screws that hold actuator onto AMH
- remove actuator assembly
- replace actuator assembly and install other parts in reverse order
- test AMH
Order parts by contacting Fluke Calibration Orders Team at Orders Team or by calling +1.877.355.3225.
Contact Pressure Technical Support at Pressure Support or the same 877 phone number.