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Piezo Replacement Instructions 

 

These instructions describe the procedure for exchanging standard temperature (-4ºF to 
176ºF/-20ºC to 80ºC) piezo module assemblies on the Flowserve Logix 3200IQ positioner 
with low temperature (-40ºF to 176ºF/-40ºC to 80ºC) assemblies.  These instructions 
supplement the 3200IQ Installation, Operating, and Maintenance (IOM) Instructions (FCD 
LGAIM0058-00). 

 
 

 
 
 

1. 

Remove main housing cover and driver 
module cover by unscrewing the covers.  

WARNING

:  To prevent ignition of 

hazardous atmospheres, disconnect supply 
circuit before opening.  Keep assembly 
tightly closed when in operation.

 

 

 
 
 
 

 

 
 
 

 

2. 

Remove the plastic main control board (PCB) 
cover by removing two (2) short cover screws, 
and one (1) long cover screw.  

 
 
 
 
 
 
 
 
 

 

 

3. 

Unplug the red and black 2 -wire piezo connector. 

 

 
 
 
 

MAIN 
HOUSING 
COVER 

DRIVER 
MODULE 
COVER 

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