24
REPAIR
Table II. MicroChine Handpiece Checkout Procedures
MICROCHINE HANDPIECE CONT'D
S Y M P T O M
CHECKOUT PROCEDURE
C A U S E
S O L U T I O
Motor will not run.
Status LED
illuminated Red
in color.
Unplug all SensaTemp
handpieces. If motor now runs
and Status LED turns off -
Shorted
SensaTemp
handpiece.
Repair
shorted
SensaTem
handpiece.
Motor will not run.
Status LED not
illuminated Red
in color.
Check resistance - Pin 1 to Pin 4
with Finger Switch depressed.
If resistance is greater than 1
ohm -
Open Switch
circuit.
Replace
MicroChine
Handpiece.
Check resistance - Pin 3 to Pin
6. Resistance should be 3 to 40
ohms. If not -
Defective
Motor circuit.
Replace
MicroChine
Handpiece.
Motor runs
continuously.
Check resistance - Pin 1 to Pin
4. Resistance should read
open circuit. If not -
Shorted Finger
Switch.
Replace
MicroChine
Handpiece.
No Ground
on tip of installed
Tool.
Check resistance - Pin 4 to a
NEW Tip. Resistance should
be less than 2 ohms.
If not -
Oxidation in
drill collet.
Clean
MicroChine
Collet.
Open ground
circuit.
Replace
MicroChine
Handpiece.
Summary of Contents for PRC 2000
Page 1: ...SERVICE MANUAL PRC 2000 SYSTEMS ...
Page 2: ...i MANUAL NO 5050 0344 REV C ...
Page 14: ...9 GENERAL INFORMATION Figure 5 Pik And Paste Section ...
Page 18: ...13 GENERAL INFORMATION ...
Page 20: ...15 GENERAL INFORMATION Figure 7 Rear Panel Parts I D ...
Page 28: ...23 REPAIR Figure 9 Connector Plug Wiring Figure 10 MicroChine Wiring MICROCHINE HANDPIECE ...
Page 43: ...38 REPAIR ...
Page 45: ...40 REPAIR POWER Figure 16 Power Flow Chart ...
Page 46: ...41 REPAIR ...
Page 47: ...42 REPAIR TMC Figure 17 Thermal Management Center Malfunction Flow Chart I ...
Page 48: ...43 REPAIR ...
Page 49: ...44 REPAIR Figure 18 Pik Paste Malfunction Flow Chart PIK PASTE ...
Page 50: ...45 REPAIR ...
Page 51: ...46 REPAIR Figure 19 MicroChine Malfunction Flow Chart MICROCHINE ...
Page 52: ...47 REPAIR ...
Page 53: ...48 REPAIR PULSE PLATE Figure 20 Pulse Plate Malfunction Flow Chart ...
Page 54: ...49 REPAIR ...
Page 55: ...50 REPAIR PULSE HEAT Figure 21 Pulse Heat Malfunction Flow Chart ...
Page 56: ...51 REPAIR ...
Page 57: ...52 REPAIR Figure 22 PPS 400 PPS 400J PPS 400E Wiring Diagram WIRING DIAGRAM ...
Page 58: ...53 REPAIR ...
Page 60: ...55 REPAIR ...
Page 62: ...57 REPAIR ...
Page 64: ...59 REPAIR ...
Page 66: ...61 REPAIR ...
Page 68: ...63 REPAIR ...
Page 69: ...64 REPAIR Figure 25 Display PCB Assembly Schematic DISPLAY PCB ASSEMBLY SCHEMATIC ...
Page 70: ...65 REPAIR ...
Page 71: ...66 REPAIR ASSEMBLY DRAWING Figure 26 Assembly Drawing ...
Page 72: ...67 REPAIR Figure 27 Assembly Drawing Cont d ...
Page 73: ...68 REPAIR AIR HOSE ROUTING Figure 28 Air Hose Routing ...
Page 75: ...70 REPLACEMENT PARTS Figure 29 Power Source Replacement Parts POWER SOURCE CONT D ...
Page 76: ...71 REPLACEMENT PARTS Figure 30 Power Source Replacement Parts Cont d ...
Page 77: ...72 REPLACEMENT PARTS Figure 31 Power Source Replacement Parts Cont d ...