JLG E450A, Service And Maintenance Manual, Page: 400 / 480

SECTION 6 - JLG CONTROL SYSTEM
6-84 3121714
99 234 REAR LEFT MODULE - EEPROM FAILURE Applicable Power Module determines at Startup
that an internal EEPROM error exists or UGM fails to
successfully verify or write to/read back Indirect
Table three times Power cycle
99 235 REAR LEFT MODULE - PROTECTION FAILURE Applicable Power Module determines that an
internal failure exists in the hardware protection
circuit Power cycle
99 236 REAR LEFT MODULE - CHECK POWER CIRCUITS
OR MOSFET SHORT CIRCUITC Applicable Power Module determines at Startup
that a short circuit exists on the power MOSFET out-
puts Power cycle
99 237 REAR LEFT MODULE - WATCHDOG RESET Applicable Power Module determines that Watch-
dog failure/reset has occurred to one if two, or both Power cycle
99 238 REAR LEFT MODULE - WATCHDOG2 RESET Applicable Power Module determines that
Watchdog2 failure/reset has occurred Power cycle
99 239 REAR LEFT MODULE - RAM FAILURE Applicable Power Module determines that a RAM
checksum error has occurred Power cycle
99 240 REAR LEFT MODULE - INTERNAL ERROR Applicable Power Module determines at Startup
that the current gain is incorrect and may cause
incorrect data acquisition values Power cycle
99 241 REAR LEFT MODULE - INTERNAL ERROR Applicable Power Module determines that the data
acquisition is in error Power cycle
99 242 REAR LEFT MODULE - INTERNAL ERROR Applicable Power Module determines that the
Pump current is being measured is not zero when
expected to be zero at Startup or during standby Power cycle
99 243 REAR LEFT MODULE - INTERNAL ERROR Applicable Power Module determines that the Slip
Profile is in error Power cycle
99 244 REAR LEFT MODULE - INTERNAL ERROR Applicable Power Module determines that the cur-
rent feedbacks are out of range at Startup or when
in standby Power cycle
99 245 REAR LEFT MODULE - INTERNAL ERROR Applicable Power Module determines at Startup
that there is a problem with overvoltage/under-
voltage detection Power cycle
99 246 REAR LEFT MODULE - CAPACITOR BANK FAULT The power capacitor bank of the Power Module is
not charging properly (increasing voltage) at
Startup Power cycle
99 247 REAR LEFT MODULE - A/D FAILURE Applicable Power Module determines that an
internal Analog Input error exists Power cycle
99 248 REAR RIGHT MODULE - EEPROM FAILURE Applicable Power Module determines at Startup
that an internal EEPROM error exists or UGM fails to
successfully verify or write to/read back Indirect
Table three times Power cycle
99 249 REAR RIGHT MODULE - PROTECTION FAILURE Applicable Power Module determines that an
internal failure exists in the hardware protection
circuit Power cycle
99 250 REAR RIGHT MODULE - CHECK POWER CIRCUITS
OR MOSFET SHORT CIRCUIT Applicable Power Module determines at Startup
that a short circuit exists on the power MOSFET out-
puts Power cycle
99 251 REAR RIGHT MODULE - WATCHDOG RESET Applicable Power Module determines that Watch-
dog failure/reset has occurred to one if two, or both Power cycle
Table 6-17. Diagnostic Trouble Codes
DTC Cat DTC Num DTC Text Fault Description Solution