Stihl HTA 66 Instruction Manual page 72

English
Fault LEDs on the
battery
Smell of smoke or
burning in the cutting
area.
70
Cause
The battery service life has
been exceeded.
The saw chain has not
been correctly sharpened.
Insufficient saw chain oil in
the oil tank.
The chain lubrication
system is supplying
insufficient saw chain oil.
The saw chain is over-
tensioned.
The pole pruner is not
being used correctly.
Remedy
► Replace battery.
Sharpen chain as specified.
Fill up with saw chain oil.
Do not use your pole pruner and contact your STIHL
servicing dealer for assistance.
Tension the saw chain as specified.
Have correct use explained, then practice.
18 Troubleshooting
0458-191-9621-A