Husqvarna LC 247Li Workshop Manual page 37

Problem Possible cause
The products stops Warning indicates 3:
when it is operated, Cutting motor over-
the warning indicator current alarm.
flashes.
Warning indicates 4:
Cutting motor MOS-
FET breakdown or
short circuit.
Warning indicates 5:
Cutting motor low
speed alarm.
Warning indicates 6:
Drive motor overcur-
rent alarm (only LC
347VLi)..
Warning indicates 7:
Drive motor MOSFET
breakdown or short
circuit (onlyLC
347VLi).
Warning indicates 8:
Low voltage alarm.
Warning indicates 9:
Battery shutdown ac-
tive alarm.
Warning indicates 10:
Main controller heat
sink high temperature
alarm.
The LED indicators The control panel is
on the control panel defective.
does not work.
Wiring fault.
The main controller
unit is defective.
361 - 001 -
Step Troubleshoot
Operate the product without put-
1
ting a load on the blade.
Make sure that the blade is not
blocked and that it can rotate
freely. WARNING: Turn the safe-
2 ty key to 0, remove the safety
key, remove the battery and wait
a minimum of 5 seconds before
you touch the blade!
Cutting motor >70A. WARNING:
Turn the safety key to 0, remove
the safety key, remove the bat-
1
tery and wait a minimum of 5
seconds before you touch the
blade!
If Main controller MOSFET
2 breakdown, no troubleshooting
possible.
Operate the product with less
1 load on the blade.
The transmission is operating too
heavily.
1
Transmission >30A.
1
If the main controller MOSFET
2 break down, no troubleshooting
possible.
Battery out of power.
1
Battery overheated.
1
The the main controller unit is
overheated, let the product be-
1
come cool and try again after 15
minutes.
Do a visual inspection.
1
Check wiring according to wiring
1
diagram
No troubleshooting possible.
1
Action
The product stops if the
load is more than 30A.
Make sure that the blade
rotates freely, replace
blade or blade support if
defective.
Replace the motor if defec-
tive.
Replace the control unit if
defective.
Adjust the cutting height.
The drive stops if drive load
is more than 6A. Make sure
that the rear wheels can ro-
tate freely.
Replace the transmission if
defective.
Replace the control unit if
defective.
Charge the battery.
Let battery cool down be-
fore use.
No action, the behaviour is
correct.
Replace the control board if
defective.
Replace defective wiring.
Replace the control unit if
defective.
Troubleshooting - 37