JLG 450A II Series, Service And Maintenance Manual

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SECTION 6 - JLG CONTROL SYSTEM
3121290 – JLG Lift – 6-59
9/9
(Continued)
BLAM SENSOR SUPPLY OUT OF
RANGE HIGH Supply voltage for boom angle sensors is above expected range. An
EMS cycle is required.
BLAM SENSOR SUPPLY OUT OF
RANGE LOW Supply voltage for boom angle sensors is below expected range. An
EMS cycle is required.
LENGTH SENSOR REF VOLTAGE
HIGH Supply voltage for boom length sensors is above expected range. An
EMS cycle is required.
LENGTH SENSOR REF VOLTAGE
LOW Supply voltage for boom length sensors is below expected range.
An EMS cycle is required.
BLAM HIGH RES A/D FAILURE High resolution analog to digital converter in the BLAM module has
failed. An EMS cycle is required.
CHASSIS SENSOR SUPPLY OUT OF
RANGE LOW Supply voltage for chassis sensors is below expected range. An EMS
cycle is required.
CHASSIS SENSOR SUPPLY OUT OF
RANGE HIGH Supply voltage for chassis sensors is above expected range. An EMS
cycle is required.
BLAM BACKUP COMMUNICATIONS
LINK FAULTY Backup communications link to the BLAM failed test at startup.
BLAM BACKUP COMMUNICATIONS
LOST - HYDRAULICS SUSPENDED Backup communications link to the BLAM module was activated but
could not establish/maintain communications with the BLAM.
4150461-E
Table 6-6. Help Fault Codes, Displayed Faults, and Descriptions
Flash Code Fault Displayed on Analyzer Description Priority