EKKO EB13E-138, Service Manual

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9
C. Troubleshooting for common faults
Code 4.5 battery is not connected
Step 1: Check if the truck cable terminal is loosened or not. Shown as below picture
Step 2: Use a multimeter to measure the cell voltage of the battery under load, Shown
below:
SPEED POT
FAULT 1.3
Speed limited pot wiper
out of range
1) Speed limit pot wire(s)broken or
shorted
2) Speed limit pot wire(s)open
THERMAL FAULT
1.1 Over-/under-
temperature cut back 1) temperature>80
℃
or <-10
℃
2) Excessive load on truck
3) Operating in extreme
environment
4) Electromagnetic brake not
releasing
THROTTLE
FAULT
1.2 Pot low and/or pot
wiper out of range
1)Throttle input wire open or shorted
2) throttle port defective
3) wrong throttle type selected.
UNDERVOLTAGE
FAULT
1.4 Batter voltage too low 1) Batter voltage<17V
2) bad connection at battery or
controller
At the cable connection (including other fastening
point), check whether it is loosened