GMI V!SA Manual De Instrucciones página 55

ALARMS
Fig. 3.9 Check Fault
3) If a "ZERO FAULT" flag and a flashing spanner symbol
appear, alternating with an LEL gas value as shown in
Fig. 3.10, leave instrument on for 30 to 60 minutes then
switch instrument Off and On again. If fault remains, return
instrument to an approved Service / Repair facility.
alternating with
Fig. 3.10 Check Fault
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