Hilti DS TS 5-SE, Operating Instructions Manual, Page: 35 / 40

35
Maintenance
3. Troubleshooting
Fault diagnosis
The electric wall saw is equipped with a fault diagnosis system that helps the operator to localize any malfunc-
tions and, when possible, to remedy these by himself.
Should you be unable to remedy the fault by yourself, you can assist the Hilti service department by describing
the fault as precisely as possible, giving details of the information shown on the display.
Meaning of fault indications and possible measures to remedy faults
Indication on remote control Description of fault Possible cause Recommended measures
to remedy fault
Symbol 14 lights Machine cannot be Emergency off button – Release the emergency
switched on pressed in off button.
– Have the fault repaired by Hilti
Service
Symbol 13 lights Saw blade drive cannot be One or more knobs or – Set all controls to the "0" or
switched on switches not set to the "0" or neutral position
neutral position
Symbol 13 lights and Machine has switched Saw blade sticking (stalled) – Set all controls to the "0" or
symbol 15 blinks itself off in the cut neutral position.
– Withdraw the blade from the
cut by way of the advance/
plunge movement.
– Remedy the cause of the blade
sticking and restart the sawing
operation.
– Have the fault repaired by Hilti
Service if the symbol still
lights.
Symbol 12 lights Machine is beginning The protective (overheating) – Increase the cooling water
to overheat cut-out will be activated flow rate (2-4l/min, 4-6 bar,
if operation continues with 18° C)
unchanged parameters – Reduce set cutting depth
(see recommendations on
rear of remote control).
– Use a faster-cutting saw blade.
– Do not allow the blade to
wander off the line.
Symbol 12 blinks Machine has overheated The protective (overheating) – Increase the cooling water
slowly cut-out will be activated flow rate (2-4l/min, 4-6 bar,
immediately if operation 18° C).
continues with unchanged – Reduce set cutting depth
parameters (see recommendations on rear
of remote control).
– Use a faster-cutting saw blade.
– Do not allow the blade
to wander off the line.
Symbol 12 blinks, Machine has switched Temperature warnings were – With cooling water flowing,
symbols 11 itself off ignored; the protective allow the machine to cool until
and 13 light (overheating) cut-out has the symbol no longer lights
been activated and then restart the sawing
operation.
– Have the fault repaired by Hilti
Service.
3.1
3.2