29
REPAIR
Table III. Corrective Maintenance, Power Source Cont'd
Contact PACE Customer Service at Tel. (301) 490-9860, FAX (301) 604-9215 to obtain any replacement parts.
Refer to the "Replacement Parts" section of this manual for part numbers.
SYMPTOM PROBABLE CAUSE SOLUTION
MicroChine speed is grossly
inaccurate.
MicroChine is overloaded.
Status LED is illuminated
Yellow in color.
Disengage MicroChine from workpiece.
Resume operation exerting less pressure
on handpiece.
Defective handpiece. Replace handpiece.
Multifunction pcb defect. Replace Multifunction pcb.
Pik-Vac has insufficient
vacuum.
"Low Pressure" output on
power source rear panel is
obstructed.
Remove obstruction.
Defective Pik-Vac pump
assembly.
Replace Pik-Vac pump.
Pulse Heat handpieces do not
heat. Pulse Heat LED is
illuminated Green in color.
Loose connection at Pulse
Heat Outputs or handpiece
connector.
Tighten connections.
Defective Universal Power
Cord.
Check voltage at Pulse Heat Outputs.
Replace Universal Power Cord if
defective.
Multifunction pcb defect. Replace Multifunction pcb.
Foot Pedal does not operate
in PH, PP, MP or
PD position.
Foot pedal connected to
incorrect receptacle.
Connect foot pedal to receptacle on rear
panel of power source marked "FOOT
PEDAL".
Defective foot pedal switch. Check for switch closure at foot pedal
connector plug pins. Repair foot pedal if
defective.
Multifunction pcb defect. Replace Multifunction pcb.
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