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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
Содержание DS TS 5-SE
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