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Check Problem
5
LP30 does not
start
6
LP30 does not
start or only
some saw head
functions
operate
7
LP30 doest not
start
24
Possible cause
– Circuit breakers / fuses in the
LP 30 tripped /blown due to
overload
– Load greater than 10 amps
connected to 230 V socket
– Fuse on transformer blown,
transformer protection
– Loose remote control plug
contacts inside the LP 30
– Loose cable connections to the
motor
– Printed circuit board loose
or not seated properly
– Green cable harness at printed
circuit board loose or not
plugged in correctly
– Printed circuit board,
item no. 242231/9, possibly
defective or out of adjustment
Solution / action required
– Disconnect power cable to LP 30
– Use 4 mm hex. socket wrench,
item no. 3924/8 to open the cover
– Reset 2 amp circuit breaker for
electronic control circuit ³
– Reset 10 amp circuit breaker ³
Only for appliances ≤ 10 amps
– Insert new fuse, type 5×20 mm,
DIN 41662, 4,0 amp slow-acting,
Spare fuse in unit and in the
tool set ·
– Check and tighten
– Check and tighten »
·
Com
– Check that it is properly seated,
plugged in over its entire length
and locked at right and left
– Check that entire length of cable
harness connector is properly
plugged in
– Consult a Hilti specialist
– Replace the printed circuit board
– Use the diagnostic equipment to
check the hydraulic unit
³
»
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