GREER Company
1918 East Glenwood Place
Santa Ana CA 92705
Page 26 of 44
MicroGuard
®
586 Operation/Setup Manual
W458200 REV C 10/29/02
Faults
System Fault Messages
When the MicroGuard
®
586 System detects a fault, the red warning lamp will illuminate and the message,
"WARNING: SYSTEM FAULT" will flash on the display. When a more serious fault is detected, the message,
"WARNING: SYSTEM OUT OF SERVICE" may flash.
To determine the nature of the problem, press the UP or DOWN arrow key once or twice, which will change the
display mode and exhibit the related fault message. This message will appear for up to 20 seconds before the
display returns to the normal display mode. If the UP or DOWN arrow key is pressed before the 20 seconds have
elapsed, the display will also automatically return to the normal display mode.
Fault messages that can appear on the display and the required corrective action follow:
1.
Reselect Crane Setup
This message indicates that there is an error in the CRANE SETUP selection, or there is an internal computer
fault. Reselect the correct Crane Setup Code; the error should correct itself.
If not, replace the computer, as described in Replace the Computer on the next page.
2. Check Extension
This message indicates a problem with the boom extension sensor.
a. Inspect/check cabling and connections from computer to extension reel on the side of the boom.
b. Inspect/check the extension reel-off cable for damage.
c. Follow Boom Extension Sensor Zero and Boom Length Trim sections (pages 38 and 39) of this manual.
d. Remove the extension reel cover and use the Extension Reel Voltage Checks section (page 29) in this
manual to verify operation of the extension reel.
3. Check Angle
This message indicates a problem with the boom angle sensor.
a. Inspect/check cabling and connections from computer to extension reel on the side of the boom.
b. Follow the Boom Angle Sensor Zero section (page 37) in this manual.
c. Remove the extension reel cover and use the Extension Reel Voltage Checks section (page 29) in this
manual to verify operation of the extension reel.
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