Stihl HTA 135 Owner's Instruction Manual page 50

English
Always remove the battery before carrying out any inspection, cleaning or maintenance.
Condition LEDs on
Battery
Pole pruner cuts out 1 LED glows
during operation. red.
3 LEDs glow
red.
Run-time is too short.
During sawing, the
wood smokes or
smells burnt.
Battery is not being 1 LED glows
charged even though red.
LED on charger
glows green.
48
Possible Cause Remedy
Battery too hot / too ► Remove the battery, @ 15.2.
cold.
► Allow the pole pruner and battery to cool down gradually at
Pole pruner too hot.
ambient temperatures of about 50 °F to 68 °F (10 °C to
20 °C).
Battery not fully ► Charge the battery, @ 11.
charged.
Useful life of battery ► Have the battery checked by an authorized STIHL servicing
has been reached or dealer.
exceeded.
The chain is dull or ► Properly sharpen the chain, @ 23.4.
improperly
sharpened.
Working technique is ► Obtain instruction on proper working technique.
improper or the pole
pruner is being mis-
used.
Insufficient bar and ► Have the chain lubrication mechanism checked by an
chain oil. authorized STIHL servicing dealer.
Battery too hot / too ► Allow the battery to warm up or cool down gradually at
cold. ambient temperatures of about 50 °F to 68 °F (10 °C to
20 °C).
► Operate the charger only in enclosed, dry rooms at ambient
temperatures of 41 °F to 104 °F (5 °C to 40 °C).
24 Troubleshooting Guide
0458-698-8621-A