SECTION 2
GREER COMPANY
Crane Systems
2.3 FAULT REPORTING AND FAULT CODES
SYSTEM FAULT CODES provide one of the most important ways to quickly locate and assess
problems in the MicroGuard®System. Please review this section carefully.
Each time the system is turned on, it goes through a self-testing process lasting six seconds that
automatically detects most faults in the system. During normal operation, a self-test can be initiated at
any time by pressing the TEST button on the display console.
Many fault conditions are detected without a system self-test.
Faults detected in the system during the self-test, are indicated on the display console in the following
ways:
" The RED OVERLOAD LAMP will illuminate.
" The AUDIBLE ALARM will sound.
" "WARNING SYSTEM FAULT! will be displayed at the bottom of the text window.
Fault codes may be displayed on the display console. To view the codes, press and hold the TEST
button and wait for the system to complete the self-test. Do not release the TEST button. Fault codes
will now be displayed at the bottom of the text window for as long as the TEST button is held down.
FAULTS A000 B0 C00 D00
FIGURE 2.2 FAULT CODE DISPLAY SHOWN IN LOWER
PORTION OF TEXT DISPLAY WINDOW
There are four groups of FAULT CODES: A,B,C & D. The function of these groups and a complete
listing of each code is provided on the following pages.
NOTE
ALWAYS INVESTIGATE FAULTS IN THE B AND C GROUPS BEFORE
CONTINUING WITH A AND FINALLY D GROUP FAULTS.
MicroGuard® RCI-510 Rated Capacity Limiter System Troubleshooting Manual PN W450260C 09/24/02
GREER COMPANY 1918 E. Glenwood Place Santa Ana, CA 92705 Telephone: (714) 259-9702 FAX: (714) 259-7626
9 of 68
SECTION 2
GREER COMPANY
Crane Systems
2.3.1 GROUP A FAULT CODES
GROUP A FAULT CODES REPRESENT FAULTS DETECTED FOR ANALOG SENSORS.
NOTE: CHECK AND REPAIR B AND C GROUP FAULTS BEFORE PROCEEDING WITH GROUP
"A" FAULT FINDING SENSORS,
The following chart details all the available codes in the left column and the actions to take
in the right column.
FAULT Swing Boom Extension Tdx 1 Tdx 0 ACTION
CODE Sensor Angle Sensor Rod Piston
Sensor Pressure Pressure
000 No Fault Found NONE
001 X
002 X Replace computer
003 X X
004 X Follow SECTION 6.4
005 X X
006 X X Replace computer
007 X X X
008 X Follow SECTIONS 6.6 through 6.8
009 X X
010 X X Replace computer
011 X X X
012 X X Follow SECTION 6.3
013 X X X
014 X X X Replace computer
015 X X X X
MicroGuard® RCI-510 Rated Capacity Limiter System Troubleshooting Manual PN W450260C 09/24/02
GREER COMPANY 1918 E. Glenwood Place Santa Ana, CA 92705 Telephone: (714) 259-9702 FAX: (714) 259-7626
10 of 68
SECTION 2
GREER COMPANY
Crane Systems
2.3.1 GROUP A FAULT CODES continued
FAULT Swing Boom Extension Tdx 1 Tdx 0 ACTION
CODE Sensor Angle Sensor Rod Piston
Sensor Pressure Pressure
016 X Follow SECTION 9
017 X X
018 X X Replace computer
019 X X X
020 X X Follow SECTIONS 6.3, 6.4 & 9
021 X X X
022 X X X Replace computer
023 X X X X
024 X X Follow SECTIONS 6.7, 6.8 & 9
025 X X X
026 X X X Replace computer
027 X X X X
028 X X X Follow SECTIONS 6.3, 6.4, 6.7, 6.8 & 9
029 X X X X Replace computer
030 X X X X
031 X X X X X Follow SECTIONS 6.3, 6.4, 6.7, 6.8 & 9
032 & Internal Temperature Sensor Fault
Higher
Replace Computer Unit
MicroGuard® RCI-510 Rated Capacity Limiter System Troubleshooting Manual PN W450260C 09/24/02
GREER COMPANY 1918 E. Glenwood Place Santa Ana, CA 92705 Telephone: (714) 259-9702 FAX: (714) 259-7626
11 of 68
SECTION 2
GREER COMPANY
Crane Systems
2.3.2 GROUP B FAULT CODES
GROUP B FAULT CODES REPRESENT FAULTS DETECTED FOR INTERNAL ANALOG
FUNCTIONS AND POWER FEEDS TO THE FUNCTION KICKOUT AND ANTI-TWO BLOCK
SWITCHES.
The following chart details all of the available codes in the left column and the actions to take
in the right column.
FAULT FKO A2B DISPLAY ADC 2 ADC 1 ACTION
CODE POWER POWER CONSOLE INTERNAL INTERNAL
FEED FEED FAULT FAULT
000 No Fault Found NONE
001 X
002 X
003 X X
004 X Replace computer
005 X X
006 X X
007 X X X
008 X See SECTION 7
009 X X
010 X X
011 X X X
012 X X Replace computer
013 X X X
014 X X X
015 X X X X
016 X Check crane circuit breakers, then
See SECTION 3.5.1
017 X X
018 X X
019 X X X
020 X X Replace computer
021 X X X
022 X X X
023 X X X X
024 X X Check crane circuit breakers, then
See SECTION 3.5.1
025 X X X
026 X X X
027 X X X X
028 X X X Replace computer
029 X X X X
030 X X X X
031 X X X X X
MicroGuard® RCI-510 Rated Capacity Limiter System Troubleshooting Manual PN W450260C 09/24/02
GREER COMPANY 1918 E. Glenwood Place Santa Ana, CA 92705 Telephone: (714) 259-9702 FAX: (714) 259-7626
12 of 68
SECTION 2
GREER COMPANY
Crane Systems
2.3.3 GROUP C FAULT CODES
GROUP C FAULT CODES REPRESENT FAULTS DETECTED FOR
INTERNAL COMPUTER MEMORIES.
The following chart details all the available codes in the left column and the actions to take in the right
column.
FAULT SERIAL CRANE RAM DUTY PROGRAM ACTION
CODE EEPROM DATA DATA
000 No Fault Found NONE
001 X
002 X Replace system chip
003 X X Follow SECTION 3.5.2
004 X Replace computer
005 X X
006 X X Replace system chip
007 X X X Follow SECTION 3.5.2
008 X Reset crane data
009 X X
010 X X Replace system chip
011 X X X Follow SECTION 3.5.2
012 X X Replace computer
013 X X X
014 X X X Replace system chip
015 X X X X Follow SECTION 3.5.2
016 X Reselect crane setup/
configuration
017 X X
018 X X Replace system chip
019 X X X Follow SECTION 3.5.2
020 X X Replace computer
021 X X X
022 X X X Replace system chip
023 X X X X Follow SECTION 3.5.2
024 X X Reselect crane setup/
configuration
Reset crane data
025 X X X
026 X X X Replace system chip
027 X X X X Follow SECTION 3.5.2
028 X X X
029 X X X X Replace computer
030 X X X X
031 X X X X X
MicroGuard® RCI-510 Rated Capacity Limiter System Troubleshooting Manual PN W450260C 09/24/02
GREER COMPANY 1918 E. Glenwood Place Santa Ana, CA 92705 Telephone: (714) 259-9702 FAX: (714) 259-7626
13 of 68
SECTION 2
GREER COMPANY
Crane Systems
2.3.4 GROUP D FAULT CODES
GROUP D FAULT CODES REPRESENT FAULTS DETECTED
FOR CAPACITY CHART SELECTION.
The following chart details all the available codes in the left column and the actions to take in the right
column.
FAULT WRONG WRONG CHART ACTION
CODE SWING BOOM NOT
AREA LENGTH FOUND
000 No Fault Found NONE
001 X Re-select CRANE SETUP.
Check other sensor faults first.
002 X Boom length is out of range for selected chart.
Check crane setup, boom length and extension
003 X X Re-select CRANE SETUP.
Check other sensor faults first.
004 X Swing to correct working area to select chart.
Check swing sensor zero position.
Follow SECTION 9.5
005 X X Swing to correct working area to select chart.
Check swing sensor zero position.
Follow SECTION 9.5
006 X X Re-select CRANE SETUP.
Check other sensor faults first.
007 X X X Re-select CRANE SETUP.
Check other sensor faults first.
MicroGuard® RCI-510 Rated Capacity Limiter System Troubleshooting Manual PN W450260C 09/24/02
GREER COMPANY 1918 E. Glenwood Place Santa Ana, CA 92705 Telephone: (714) 259-9702 FAX: (714) 259-7626
14 of 68
SECTION 2
GREER COMPANY
Crane Systems
2.4 NO FAULT CODE PROBLEMS
THIS SECTION ADDRESSES THOSE PROBLEMS THAT MAY OCCUR AND ARE NOT REPORTED
BY THE COMPUTER FAULT CODE SYSTEM.
2.4.1 ANTI TWO-BLOCK ALARM (A2B)
This section gives direction to fault diagnosis of A2B alarm problems. For detailed information,
schematic, and voltages, refer to SECTION 7 - ANTI TWO-BLOCK FUNCTION.
PROBLEM:
" The Anti Two-Block alarm is continuously ON. Operating the switch at the boom head does not
deactivate the alarm.
This problem suggests an open circuit between the computer A2B input and the A2B switch(es), or an
open circuit between the computer A2B feed and the A2B switch(es)
1. Check extension reel-off cable for damage.
2. Make sure that the Two-Block switches are correctly connected.
3. Check the slip-ring and wiring inside the extension reel.
4. Check the signal cable from the extension reel to the computer. Check connectors.
PROBLEM:
" The Anti Two-Block alarm is continuously OFF (safe). De-operating the switch at the boom head,
by lifting the A2B weight does not activate the alarm.
This problem suggests a short circuit between the computer A2B input and the computer A2B feed
somewhere between the computer and the A2B switch(es).
1. Check extension reel-off cable for damage.
2. Make sure that the Two-Block switches are correctly connected.
3. Check the slip-ring and wiring inside the extension reel.
4. Check the signal cable from the reel to the computer. Check connectors.
MicroGuard® RCI-510 Rated Capacity Limiter System Troubleshooting Manual PN W450260C 09/24/02
GREER COMPANY 1918 E. Glenwood Place Santa Ana, CA 92705 Telephone: (714) 259-9702 FAX: (714) 259-7626
15 of 68
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