TYROLIT
Hydrostress AG
Page 19
DME20PW
/ DME20PU
Monitoring, checking
Residual current circuit breaker
X
Switch on and check PRCD residual current circuit breaker
Checking procedure:
X
Plug the electrical tool into a socket with an earth connection.
X
Press the Reset button on the PRCD residual current circuit breaker (indicator must illuminate).
X
Press the Test button on the PRCD residual current circuit breaker (indicator must go off).
DANGER
If the indicator does not go off, the device must not be used. The electrical tool must be re-
paired by qualified experts using original spare parts.
X
Press the Reset button on the PRCD residual current circuit breaker (indicator must illumi-
nate).
Residual current circuit breaker
Malfunctions
6.3
6.3.1
6.4
Malfunctions
Malfunction
Possible cause
Remedy
The electrical tool cannot be started
Mains cable is defective
X
Contact TYROLIT Hydrostress AG aftersales
Faulty power supply
X
Check power supply
Electric motor or electronics
faulty
X
Contact TYROLIT Hydrostress AG aftersales
Electrical tool starts up and then switches
off again
Fuse of building site power
supply trips
X
Fuse too weak, replace power supply
Motor running but drill bit not rotating
Gear speed selector
X
Check position
Defective gears
X
Contact TYROLIT Hydrostress AG aftersales
Unable to fit cutting tool
Thread dirty
X
Clean and grease thread
Thread defective
X
Contact TYROLIT Hydrostress AG aftersales
Water coming out of housing
(relief drilling)
Shaft sealing ring defective
X
Contact TYROLIT Hydrostress AG aftersales
Water coming out of housing
(relief drilling)
Shaft sealing ring defective
X
Contact TYROLIT Hydrostress AG aftersales
No water emerging
Water valve on feed line is
closed
X
Open water valve
Water line is blocked
X
Clean the water line
Defective water valve
X
Contact TYROLIT Hydrostress AG aftersales
Insufficient water pressure
X
Check water circuit
