OPERATING PROCEDURES GRT8120 OPERATOR MANUAL
4-144 Published 3-22-2021, Control # 702-02
Engine Faults
Select the Engine Faults icon (1, Figure 4-146) under the
Faults Menu Group to view active engine fault codes.
The Engine Fault Code function screen (Figure 4-147)
displays active engine fault codes.
If several fault codes are active, use the Jog Dial or Arrow
Buttons on the Navigation Control Pad to select the arrow at
the top or bottom of the screen to scroll through the codes
Engine fault codes cannot be cleared by the operator without
first correcting the malfunction, then cycling the ignition key
to the Off position and back to the On position.
Information Menu Group
The Information Menu Group includes the following function
icons:
• Operating Hours (page 4-144)
• Software Versions (page 4-146)
Operating Hours
Select the Operating Hours icon (1, Figure 4-148) under the
Information Menu Group to show the Operating Hours
function screen.
The Operating Hours function screen (Figure 4-149) shows
the total accumulated operating hours for the different crane
functions as well as offers a resettable trip meter for each
crane function.