61 25 665 D3437
D3437
.
076.01.15
.
02 06.2012
371
Sirona Dental Systems GmbH
10
Maintenance
Service Manual GALILEOS
10.3
Checking the fan and temperature sensor
båÖäáëÜ
Check whether the height adjustment
limit switches are functioning properly
➢ Manually press the actuators (C) of both limit switches (D) one after
the other while the height adjustment motor is running. The motor
must stop.
If the motor does not stop:
ª
Check the corresponding microswitch and replace if necessary
ª
Check cable L19, replace if necessary.
Check whether an audible signal can be
heard during height adjustment
Checking height adjustment signal: GALILEOS
➢ Use the Up/Down keys on the control panel to move the unit up and
down. An acoustic signal must be audible.
If no acoustic signal sounds:
ª
10.3
Checking the fan and temperature sensor
Checking the fan and temperature sensor
Check whether the fan is functioning
➢ Check the function of the fan using service routine S005.4 [ → 225].
ª
If the fan is defective: Replace the fan [ → 318].
Check whether the temperature sensor
is supplying plausible values
➢ Read the temperature in the single tank with service routine
ª
If the displayed temperature reading is not plausible: Replace the
tube assembly.
10.4
Checking the cables for damage
Checking the cables for damage
Check whether the cables feeding the
unit are OK
➢ Perform a visual inspection of the power cable, protective ground
wire, control cables and data cables.
If cables exhibit external damage:
ª
Replace the respective cable [ → 362].
D
C
50
Summary of Contents for galileos
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