Panasonic EYFLF1XA Operating Instructions Manual page 80

[EYFLF]
Error Display
In the event of a tool or battery pack malfunction, the control panel will display an error message.
EN
Please check the tool or battery pack as described in the following chart before having them ser-
viced.
Display
NOTE:
When the tightened bolt is further tightened or loosened, the overload protection function (E5)
may be activated.
Likely cause
Setting error
The battery pack is too hot.
The tool is too hot to operate.
The contacts that connect the
battery pack and tool are dirty.
The battery pack has not been
properly inserted into the tool.
The pins on either the tool or
battery pack have worn down.
Overload, Motor failure. etc.
Tool circuit malfunction, failure,
etc.
Re-initialize the tool using the
remote control. (See page 75.)
Stop work and allow the battery
pack to cool before resuming use
of the tool.
Stop work and allow the tool to
cool before resuming use.
Remove any dirt.
Insert the battery pack firmly into
the tool.
Replace the battery pack.
Stop using the tool immediately.
‒ 78 ‒
Corrective action