Safety and operating instructions
42 © Construction Tools GmbH | 3390 5149 01 | 2020-09-22
Original Instructions
8.5 LED 5 flashes: System failure
Cause Remedy By
A safety critical error has oc-
curred.
The output to the magnet plate is
switched off immediately.
Turn off the carrier and secure it against being switched
on again (for example, by removing the ignition key and
keeping it safe).
Have the connection cable replaced.
Workshop or Epiroc
Customer Center /
Dealer in your area
8.6 LED 6 lights up: Underspeed
Cause Remedy By
The generator is running at un-
derspeed. It no longer delivers full
power.
When turning, it is possible that
the magnet plate is not magne-
tized with full impulse voltage.
The efficiency of the system is re-
duced.
The LED goes off when the rota-
tion speed is back within the toler-
ance limits.
Operate the generator at a rotation speed that is within the
allowable tolerances.
Carrier driver
8.7 LED 6 flashes: Overspeed
Cause Remedy By
The generator is running at over-
speed.
After dropping the load, no
switching on again is possible.
The LED goes off when the roat-
ion speed is back within the toler-
ance limits.
Operate the generator at a rotation speed which is within
the allowable tolerances.
Carrier driver
8.8 Relative duty cycle greater than or equal to 80%
Cause Remedy By
Relative duty cycle greater than
or equal to 80%.
Reduce the on-period of the magnet plate until the display
is back to the normal range between 50% and 70%.
Carrier driver
8.9 LEDs 4, 5 and 6 flash simultaneously: Insulation fault detected
Cause Remedy By
Insulation fault detected If an insulation fault is detected, a restart is automatically
blocked. The Hydro Magnet cannot be switched on again.
This is a safety risk! Lethal contact voltages can oc-
cur on metal parts!
Contact a qualified electrician immediately.
Workshop or Epiroc
Customer Center /
Dealer in your area
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