prime mover smx45 Master Service Manual page 192

F-code Section
PT S5.0
Electrical Functions
Version no T-code
002 SMX
Possible Cause
Battery problems
Transistor controller
programming changed
Binding drive wheel
motor
Binding brake disk
Bad drive motor (may test ok with no
load, but fall under load) or worn brushes
Possible Cause
Battery problem
Verify battery charger is not plugged into
truck
Bad transistor controller
Possible Cause
Battery problems
Bad battery terminals
disconnect plug
Bad transistor controller
Bad wiring or connector
190
Return
C-code
5000
4. Slow travel, lift/lower okay. No fault codes.
Replace battery with fully-charged good battery.
or ETAC Verify programming. If changed, reset programming.
assembly/drive Jack and block truck (see
freely. If not, repair or replace (see
Check air gap adjustment (see
Repair or replace motor brushes (see
5. No travel (Code C42, see
warning.)
Verify the correct, fully-charged good battery is installed in truck.
Disconnect the battery charger immediately.
Verify correct battery is installed. Replace transistor controller.
6. Slow or no travel (Code C41, see
undervoltage warning.)
Verify a correct, fully-charged good battery (24V) is installed in truck.
or quick Repair or replace battery terminals.
Verify battery voltage at key switch input. Turn main ON/OFF switch OFF and disconnect battery
connector. Check for continuity and wiring shorts between B- battery to transistor controller B- and
key switch circuit wiring and fuses. Repair or replace. Measure voltage at transistor controller B+. If
24V, replace transistor controller.
Jack and block truck. With main ON/OFF switch OFF and battery connected, while attempting
travel, measure voltage between A2, transistor controller B+, B-, and F1, F2, M1, and M3. If not
24V, repair or replace wiring.
Remedy
page 58.) Disable brake (see
page 117.)
page 111.)
page 91.)
Remedy
Remedy
Master Service Manual
page 111.) Check that drive wheel spins
page 183), Battery overvoltage
page 182), Battery
2006-12-12