Troubleshooting
The hydraulic breaker does not start
Cause Remedy By
Pressure and tank lines swapped Check the laying of the pressure and tank lines and
connect correctly
(see chapter Making the hydraulic connections )
Carrier driver
Shut-off valve in pressure and/or tank line
closed
Check the shut-off valve and open Carrier driver
Gas pressure in piston accumulator too
high
Check the gas pressure in the piston accumulator and
adjust it to the correct value
(see chapter
Checking the pressure in the piston accumulator and
Release the pressure from the piston accumulator)
Carrier driver
Oil level in tank too low Check the oil level and top up oil Carrier driver
Defective couplings blocking pressure and
tank lines
Check coupling and replace defective coupling halves Workshop
Faults in the electrical system of the
hydraulic breaker installation
Check the electrical system of the hydraulic breaker
installation and clear faults
Workshop
Magnet on switch-on valve damaged Replace the magnet Workshop
Operating pressure too low Check the carrier engine speed, the pump delivery and
the pressure relief valve; check the operating pressure
Adjust settings and replace defective parts if required
Carrier driver or Atlas Copco
Customer Center/Dealer in
your area
PowerAdapt active Check the engine speed and/or mode stage of the carrier
and lower as required
(see chapter PowerAdapt)
Carrier driver
Safety and operating instructions HB 2000, 2000 DP, 2500, 2500 DP
58 © Construction Tools GmbH | 3390 5090 01 | 2016-05-23
Original instructions
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