Pace ST 115 - Corrective Maintenance

33
Corrective Maintenance
Repair
Symptom Probable Cause Solution
No power to system. Blown Fuse Check handpiece using
"Heater Assembly Checkout
Procedures", Table 4.
Replace fuse located in AC
Receptacle/Fuse Holder.
Insufficient vacuum or air
pressure.
Motor Pump runs.
Handpiece air hose
has a kink or hole in
hose.
Check handpiece hose.
Replace air hose if
necessary
VisiFilter or handpiece
filter clogged.
Replace VisiFilter or
handpiece filter.
Handpiece chamber
not seated properly in
handpiece.
Check handpiece. Reseat
chamber if necessary.
Defective Motor Pump
Assembly.
Check vacuum and air
pressure at Motor Pump
Assembly air hose
connections. Replace
Motor Pump Assembly if
necessary.
No vacuum or air
pressure.
Motor Pump does not
run.
Defective handpiece. Check handpiece using
"Heater Assembly Checkout
Procedures", Table 4.
Defective Motor Pump
Assembly.
Check for 12 VDC at motor
terminals with handpiece
switch actuated. Replace
Motor Pump Assembly if
defective.
Defective Main PCB
A
s
s
e
m
b
l
y
If there is no 12 VDC at
M
o
t
o
r
P
u
m
p
A
s
s
e
m
b
l
y
,
Table 3. Power Source Corrective Maintenance
Power Source
Most malfunctions are simple and easy to correct. Refer to Table 3 below to clear
these malfunctions.