JLG ERT2669, Руководство по обслуживанию и ремонту

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SECTION 5 - JLG CONTROL SYSTEM
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5.9 SERVICE MODE PROCEDURES
Elevation Service
This procedure allows a service technician to elevate the
platform when an active DTC is preventing elevation by
bypassing the DTC and allowing the platform to lift up.
This mode remains active until a power cycle occurs.
Once power is cycled, the DTC will become active again,
and Elevation Service mode must be reactivated to lift.
1. Using the Analyzer, navigate to SERVICE MODE >
ELEV SERVICE.
2. Input the pass code 87189 and select Enter.
3. Select Enter to activate the Elevation Service Mode.
4. Analyzer will display COMPLETE!
5. Elevation Service is now active. Select Escape to
leave menu.
EEPROM Reset
This procedure clears all the machine’s calibrations and
returns the machine personalities and set-up to default
settings. After Reset EEPROM, all calibration procedures
will need to be completed. Use this service mode when:
a machine is having multiple issues and clearing the
EEPROM may help to fix the problem; a service techni-
cian wants to clear all machine calibrations and return
the machine to default settings; or a module is moved
from one machine to another and must be cleared and
returned to default.
1. Using the Analyzer, navigate to SERVICE MODE >
EEPROM RESET.
2. Input the pass code 35470 and select Enter.
3. Select Enter to activate EEPROM Reset.
4. Analyzer will display COMPLETE.
5. All settings will be reset. Select Escape to leave
menu.
Allow Drive
This mode allows a service technician to drive the
machine when an active DTC prevents normal drive
functionality. Before initiating this service mode, the ser-
vice technician must verify the platform is stowed and
the leveling jacks are retracted before drive function will
be enabled. Drive speed will only be allowed at elevated
speed.
1. Using the Analyzer, navigate to SERVICE MODE >
ALLOW DRIVE.
2. Input the pass code 82221 and select Enter.
3. The Analyzer will display ALLOW DRIVE? Select Enter.
4. The Analyzer will display PLATFORM STOWED? Select
Enter.
5. The Analyzer will display L/J RETRACTED? Select
Enter.
6. The Analyzer will display DRIVE ALLOWED. Select
Escape to leave menu.
Allow Leveling Jack Retract
This mode allows a service technician to retract the lev-
eling jacks when an active DTC prevents normal leveling
jack functionality. Before initiating this service mode,
the service technician must verify the platform is
stowed before the leveling jacks can be retracted.
1. Using the Analyzer, navigate to SERVICE MODE >
ALLOW LJ RETRCT.
2. Input the pass code
3. 54749 and select Enter.
4. The Analyzer will display ALLOW LJ RETRCT? Select
Enter.
5. The Analyzer will display PLATFORM STOWED? Select
Enter.
6. The Analyzer will display RETRCT ALLOWED. Select
Escape to leave menu.
Set Main Relief
This mode allows a service technician to activate the set
main relief mode which will rev the engine or DC pump
to high idle and energize the flow control valve.
1. Using the Analyzer, navigate to SERVICE MODE > SET
MAIN RELIEF.
2. Input the pass code.
3. 51788 and select Enter.
4. The analyzer will display ACTIVE.
Press Escape to leave the menu and exit the mode.
Hydraulic System Flush
This mode allows a service technician to active the
hydraulic system flush mode which will rev the engine
or DC pump to high idle without energizing any valves.
1. Using the Analyzer, navigate to SERVICE MODE >
HYD SYS FLUSH.
2. Input the pass code.
3. 62587 and select Enter.
4. The analyzer will display ACTIVE.
Press Escape to leave the menu and exit the mode.