8.5
8.4 Fault diagnosis with a non-functioning display
Table 8.5 describes checks which can be made if the display is blank or not illuminated
Table 8.5 Fault finding with non functioning display
Symptoms Possible causes Recommended
action
DIM DISPLAY Improper viewing
angle
Adjust viewing angle
of display
DIM DISPLAY Edge light failed Call service engineer
NO DISPLAY Unit power is off Turn on power
NO DISPLAY Blown fuse Replace fuse
If the display is functional but a measured value field is replaced by the word ‘OVER’
the related transducer is outside its operating range, see Section 1.8.
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