48
microspeed® uni motor system
Aesculap Power Systems
7.2 Other malfunctions
Malfunction Cause Finding Remedy
The motor does not run No power to control unit Control unit not connected to
mains power or not switched on
(Power ON indicator dark, black
display)
Connect control unit to mains
power, and switch it on
Fuses blown Power ON indicator dark, black
display
Replace fuses, see chapter Fuse
change
Control unit cannot be operated
The motor does not run
Internal monitoring system
blocking the system
Control unit not operational
although it is used correctly
Switch on and off the control unit
If the error reoccurs, have the
control unit repaired by the
manufacturer
Connected handpiece does not run Handpiece blocked Motor runs when the handpiece is
not connected
Have handpiece repaired by
manufacturer
No coolant flow Nozzle clogged Coolant pump works Clean nozzle
Tubing inserted incorrectly Coolant pump works Install tubing correctly, see chapter
System set-up
Coolant pump motor defective Coolant pump does not work Have pump motor repaired by
manufacturer
Pistol handpiece does not run Protection against inadvertent
switch-on activated
Upper trigger turned by 90° Turn back upper trigger
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