4 – OPERATOR SERVICE
31
ERROR CODE DEFINITIONS
The DISPLAY PANEL located on the ground control panel indicates the present
operating status of the boom lift. If an error condition is detected, the appropriate
error code will be displayed on this panel. Refer to Table 4-2 for a list of Error
Code Definitions and solutions.
Table 4-2. Error Code Definitions
Error Message
Displayed
Error Explanation &
Possible Causes
What To Check &
Corrective Action To Clear
Error
001 MACHINE IS IN
DOWN ONLY MODE
The Machine has gone into DOWN ONLY mode.
When error condition is removed, error is cleared.
NOTE: This error will not be displayed when boom is
down or if so equipped, when the Load Sense Module
has detected an overloaded condition.
Possible causes include:
1. Machine went out of level during use
2. Load sense has detected an overload condition
3. Moment sense has detected an overload
condition
1. Check outrigger and level LED indicators and if
required re-level machine
2. Reduce boom load
3. Reduce boom load
002 LOSS OF PLATFORM
COMMUNICATION
The Lower Control has lost communication with the
Platform Control. To clear this error, the error
condition must be removed and the power must be
cycled off then back on.
NOTE: During this error condition, the Platform
Control "Engine On" LED will blink a “2 blink” error
code and the Lower Control “Power” LED will blink a
“2 blink” error code.
Possible causes include:
1. Lower control incorrectly configured
2. Faulty Boom Cable
3. Faulty Upper Control
4. Faulty Lower Control
1. Correctly configure Lower Control
2. Replace Boom Cable
3. Replace Upper Control
4. Replace Lower Control
003 LOSS OF DRIVE
COMMUNICATION
The Lower Control has lost communication with the
Drive Control.
This is a latched error. To clear this error, first the
error condition must be removed and second the
power must be cycled off then back on.
NOTE: During this error condition, the Platform
Control "Engine On" LED will blink a “2 blink” error
code and the Lower Control “Power” LED will blink a
“2 blink” error code.
Possible causes include:
1. Lower Control incorrectly configured
2. Faulty Boom Cable
3. Faulty Upper Control
4. Faulty Lower Control
1. Correctly configure Lower Control
2. Replace Boom Cable
3. Replace Upper Control
4. Replace Lower Control
004 LOSS OF PC
COMMUNICATION
The Lower Control has lost communication with the
PC. When error condition is removed, error is cleared.
NOTE: During this error condition, the Lower Control
“Power” LED will blink a “4 blink” error code.
Possible causes include:
1. Faulty cable between PC and Lower Control
2. PC’s program is not running
3. Faulty PC
4. Faulty Lower Control
1. Replace cable between PC and Lower Control
2. Disconnect PC or run PC’s program
3. Replace PC
4. Replace Lower Control
