TROUBLESHOOTING
The hydraulic breaker does not start
ByRemedyCause
Carrier driverCheck the laying of the pressure and tank lines and connect
correctly
(see chapter Making the hydraulic connections )
Pressure and tank lines swapped
Carrier driverCheck the shut-off valve and openShut-off valve in pressure and/or tank line
closed
Carrier driverCheck 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)
Gas pressure in piston accumulator too high
Carrier driverCheck the oil level and top up oilOil level in tank too low
WorkshopCheck coupling and replace defective coupling halvesDefective couplings blocking pressure and
tank lines
WorkshopCheck the electrical system of the hydraulic breaker
installation and clear faults
Faults in the electrical system of the
hydraulic breaker installation
WorkshopReplace the magnetMagnet on switch-on valve damaged
Carrier driver or Atlas Copco
Customer Center/Dealer in
your area
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
Operating pressure too low
Carrier driverCheck the engine speed and/or mode stage of the carrier
and lower as required
(see chapter PowerAdapt)
PowerAdapt active
59© 2012 Atlas Copco Construction Tools GmbH | No. 3390 5005 01 | 2012-05-03
Original instructions
TROUBLESHOOTINGHB 5800, 5800 DP, 7000, 7000 DP, 10000 DP
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