37
4. Repairs
Only authorised and trained Hilti repair personnel and qualified electrical specialists are permitted to open the cov-
er on the casing of the DS TS 5-SE electric wall saw and carry out repairs. NEVER open the cover on the housing
of the electric wall saw while on the jobsite.
Caution: Information for repair personnel
The capacitors in the DS TS 5-SE saw head hold a voltage for approx. 2 minutes after the saw has been discon-
nected from the mains supply.
Meaning of fault indications and possible measures to remedy faults, continued
Indication on remote control
Description of fault
Possible cause
Recommended measures
to remedy fault
Error
Er04
Malfunction
Remote control unit –
– Replace the remote control unit.
electronics defective
– Have the fault repaired by Hilti
Service.
Error
Er05
Malfunction
Remote control unit –
– Replace the remote control unit.
electronics defective
– Have the fault repaired by Hilti
Service.
Error
Er06
Malfunction
Remote control unit –
– Replace the remote control unit.
electronics defective
– Have the fault repaired by Hilti
Service.
Error
Er07
Malfunction
Remote control unit –
– Replace the remote control unit.
electronics defective
– Have the fault repaired by Hilti
Service.
Error
Er11
Error
Er11
Malfunction
Saw head –
– Have the fault repaired by Hilti
electronics defective
Service.
Error
Er12
Malfunction
Saw head –
– Have the fault repaired by Hilti
electronics defective
Service.
Error
Er13
Malfunction
Saw head –
– Have the fault repaired by Hilti
electronics defective
Service.
Error
Er15
Malfunction
Saw head – main contactor
– Check the cable and plug.
or remote control cable / plug
– Clean the contacts and have
defective
any damage repaired.
– Replace the remote control
unit.
– Have the fault repaired by Hilti
Service.
Error
Er21
Malfunction
Saw head – main motor
– Have the fault repaired by Hilti
temperature sensor defective
Service.
Error
Er22
Malfunction
Saw head – cooling plate
– Have the fault repaired by Hilti
module temperature sensor
Service.
defective
Error
Er33
Machine has switched
Saw head has drawn
– Incorrect operation / misuse.
itself off
excessively high current due
to overload
3.2
Various
Er04
Er05
Er06
Er07
Er11
Er12
Er13
Er15
Er21
Er22
Er33