Hilti DX 9-ENP Original Operating Instructions page 35

Symbol Explanation
The wrench symbol is shown when maintenance is due.
The fastening tool should be serviced by Hilti Service.
Information shown in the middle of the display
WARNING
Risk of injury due to self-firing caused by excessive temperatures! Fragmentation due to cartridge self-
firing can result in serious injury or death.
▶ Observe the indicators in the display and the corresponding explanations in the operating instructions.
▶ Remove the cartridges from the tool immediately before breaks between working.
▶ If the cartridges cannot be removed from the tool, lay the tool down and make sure that all persons keep
a safe distance away from the tool (3 meters) until the pointer on the temperature indicator has moved all
the way to the left. Notify Hilti Service immediately.
Tool temperature
Display
Normal
High
Too high
Information shown in the lower part of the display
Display
*2241307*
Explanation
The tool temperature is shown in the middle of the display.
In this case the tool temperature is within the normal range.
The temperature of the tool is high. Risk of self-firing! Reduce the
fastener driving rate so that the temperature can return to the middle
of the range.
The temperature of the tool is extremely high. Risk of self-firing! A
warning symbol indicates that the cartridges can fire prematurely and
the fastener strips can melt if the cartridge strip or the fastener strips
do not move while they are inside the tool.
• Temporarily stop working with the product. Wait until tool
temperature has returned to normal before resuming work.
Explanation
At the lower left edge, a bar showing 1 to 7 segments indicates the
interval until the tool needs to be cleaned again.
In this case, cleaning will not be necessary for some time.
The 7 segments shown indicate that cleaning will be necessary
shortly.
The max. number of fasteners driven has been reached. The tool must
be cleaned.
2241307 English 27