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24
Check Problem
Possible cause
Solution / action required
5
LP30 does not
– Circuit breakers / fuses in the
– Disconnect power cable to LP 30
start
LP 30 tripped /blown due to
– Use 4 mm hex. socket wrench,
overload
item no. 3924/8 to open the cover
– Reset 2 amp circuit breaker for
electronic control circuit
– Load greater than 10 amps
– Reset 10 amp circuit breaker
connected to 230 V socket
Only for appliances
≤
10 amps
– Fuse on transformer blown,
– Insert new fuse, type 5
×
20 mm,
transformer protection
DIN 41662, 4,0 amp slow-acting,
Spare fuse in unit and in the
tool set
– Loose remote control plug
– Check and tighten
contacts inside the LP 30
– Loose cable connections to the
– Check and tighten
motor
6
LP30 does not
– Printed circuit board loose
– Check that it is properly seated,
start or only
or not seated properly
plugged in over its entire length
some saw head
and locked at right and left
functions
– Green cable harness at printed
– Check that entire length of cable
operate
circuit board loose or not
harness connector is properly
plugged in correctly
plugged in
7
LP30 doest not
– Printed circuit board,
– Consult a Hilti specialist
start
item no. 242231/9, possibly
– Replace the printed circuit board
defective or out of adjustment
– Use the diagnostic equipment to
check the hydraulic unit
OFF/ON
Com