Graco PR70 Series Operation And Maintenance Manual page 28

Error Code Table
Low Material E29
Level, Both Tanks
Alarm or Error
Bad Linear E50
Position Sensor
312393C
Both tanks are low (only generated if tank sensing is enabled). Fill both tanks
with material.
Tank level errors will be generated after every shot if the condition still exists.
There is a fault with the linear position sensor. Check wiring or replace.
Table 1: Error Code Table
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