JLG 3248RS/10RS Operator Manual - Manual (Page 88)

SECTION 5 - GENERAL SPECIFICATIONS AND MAINTENANCE
5-24 – JLG Lift – 3121272
33304 RIGHT BRAKE - SHORT TO GROUND A problem has been detected in this function. Refer problem to a qualified JLG mechanic.
33305 STEER RIGHT VALVE - SHORT TO
GROUND
A problem has been detected in this function. Refer problem to a qualified JLG mechanic.
33406 LIFT UP VALVE - SHORT TO GROUND A problem has been detected in this function. Refer problem to a qualified JLG mechanic.
33407 LIFT DN VALVE - SHORT TO GROUND A problem has been detected in this function. Refer problem to a qualified JLG mechanic.
3-3 Ground Output Driver
DTC FAULT MESSAGE DESCRIPTION CHECK
4-2 Thermal Limit (SOA)
DTC FAULT MESSAGE DESCRIPTION CHECK
421 POWER MODULE TOO HOT - PLEASE
WAIT The power module has reached thermal cut-
out. • Power down and allow to cool.
• Do not operate in ambients over 140° F (60° C).
Refer problem to a qualified JLG mechanic.
422 DRIVING AT CUTBACK - POWER MOD-
ULE CURRENT LIMIT The drive portion of the power module has
reached thermal limit. Refer problem to a qualified JLG mechanic.
423 LIFT UP AT CUTBACK - POWER MODULE
CURRENT LIMIT The lift up portion of the power module has
reached thermal limit. Refer problem to a qualified JLG mechanic.