Milestone STA - Page 32

TROUBLESHOOTING
- 29 –
SYMPTOM
CAUSE
SOLUTION
No power light
Switch is “OFF”
No power at power outlet
Turn Switch to “On”
Check fuse or circuit
breaker
No aspirate light
Not in aspirate mode
Press reset once
When depressing foot
control drive unit stops
and/or warning light
flashes
Computer malfunction
Improper installation of the
plunger or O-ring
Dirty plunger
Blocked needle or cartridge
1. Press and hold aspirate
button for 3 seconds.
2. Turn unit OFF, wait 15
seconds and restart.
3. Call Technical Service
for assistance:
1.800.862.1125.
Install plunger or O-Ring
properly
Remove, clean, lubricate
and re-install plunger.
Replace needle and/or
disposable
Drive unit does not
respond to foot control
activation
Foot control tubing is bent,
pinched or blocked
Tubing not securely
attached
Unblock foot control air
hose.
Retighten air hose
connection.
Anesthetic not flowing
properly
Check for air gap between
plunger and cartridge
Check for spike properly
puncturing cartridge
Blocked needle or
disposable
Replace cartridge
Push to puncture or
replace handpiece
assembly. See pg. 6 for
proper puncture technique.
Replace needle and/or
handpiece.
Aspiration inadequate
Worn or dry O-Ring
Replace or lubricate O-
Ring