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Troubleshooting
Display
Er30
The machine has switched
The slip clutch has been
– Observe the application guidelines
itself off
activated as a result of how the
– Return the saw head to Hilti
saw is being used
Service
Display
Er33
The machine has switched
Saw used incorrectly - overload – Observe the application guide-
itself off
Saw blade stuck
lines
Short circuit
– Return the saw head, cable and
power supply to Hilti Service
Display
Er35
The machine has switched
Saw used incorrectly
– Observe the application guidelines
itself off
Excessive lateral friction
– Return the power supply
Blade segments polished
to Hilti Service
Display
Er36
Saw blade cannot rotate
Saw blade stuck
– Release the blade / restart
– Return the power supply
to Hilti Service
Display
Er40
The machine has switched itself off Electric supply voltage too high – Check the electric supply
Display
Er41
The machine has switched itself off Electric supply voltage too low
– Check the electric supply
Display
Er80
The machine doesn’t function
Electronic fault in the power
– Return the power supply
correctly
supply
to Hilti Service
Display
Er81
The machine doesn’t function
Electronic fault in the power
– Return the power supply
Er82
supply
to Hilti Service
Display
Er83
The machine doesn’t function
Electronic fault in the power
– Return the power supply
Er84
supply
to Hilti Service
Display
Er85
Machine cannot be switched
Contactor K1 or K2 in the
– Return the power supply
Er86
on
power supply is faulty
to Hilti Service
Er87
Er88
Display
Er91
The machine doesn’t function
Safety loop for Output Stop
– Replace the remote control
is faulty
– Return power supply to Hilti
Service
Causes of faults with no error code and how they can be remedied
Description of fault
Possible cause
Recommended measures to remedy the fault
Blade wanders off course
Inadequate blade tension
Check the tension / replace the blade
Saw blade segments have lost cutting power
Check the specification / replace the blade
No guide cut made or guide cut not straight
Observe instructions and guide values
Play at the guide rollers
Check the play / replace the rollers or rail
Rail not securely fastened
Check and improve the fastenings
Rail distorts (twists)
Install additional rail supports
Low sawing performance
Unsuitable saw blade specification
Check the specification / change to other
specification if possible
Depth of cut too high
Check depth of cut / reduce if possible
Power setting too low
Check the setting / increase if possible
The machine is not receiving enough current
Check the setting / increase if possible
Drop in performance due to wandering off course
See "Blade wanders off course”
Drop in performance due to high reinforcement
Check the reinforcement content / change
content
position of cut if possible
Saw blade speed too high or too low
Check the speed / increase or reduce if possible
7.2
31
Printed: 08.07.2013 | Doc-Nr: PUB / 5069686 / 000 / 01