GMI PS500 - Page 40

3-8
USER HANDBOOK
PS500
Alternating with
Fig. 3.5 Zero Fault
Note: The flashing spanner symbol will only alternate
with the faulty sensor reading in the LEL range. If
this occurs, the instructions in “3.4.4 Sensor Fault”
on page 3-10, paragraphs (1) and (2), should be
followed.