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POWER SOURCE
S Y M P T O M
Digital Readout is blank.
No functions on system.
Digital Readout is blank.
Some functions work.
E-1 displayed on Digital
Readout.
E-2, E-3 or E-4 displayed on
Digital Readout.
No heat on handpiece(s) at
Thermal Management
Table 7. Corrective Maintenance, Power Source
106
PROBABLE
Blown Fuse (F1)
Low AC line voltage.
Microprocessor pcb defect.
All Channels are unplugged
on Thermal Mgmt. Center.
Open sensor in handpiece.
Defective heater assembly
in handpiece.
Open heater.
Center.
Blown 12 Amp Fuse.
Handpieces connected to
AUX receptacles. SP & SX
series handpieces are not
AUX compatible.
Damaged Power
Receptacle.
System overload. Check for
defective handpiece.
Microprocessor pcb defect.
CAUSE
S O L U T I O N
Replace Fuse F1 located on rear of
Power Source in the AC Receptacle.
Check line voltage.
Contact PACE Service Department.
Plug handpiece into CH 1, CH 2 OR CH
3.
Refer to handpiece Operation Manual
for Corrective Maintenance procedures.
Unplug all handpieces. Plug
handpieces back in one at a time.
When defective handpiece is
connected, "E" code will be displayed.
Refer to handpiece Operation Manual.
Refer to handpiece Operation Manual.
Replace 12 amp Fuse located on rear
of Power Source.
Disconnect incompatible handpieces
from AUX Receptacles. Connect to
Power Receptacles on front panel.
Contact PACE Service Department.
Disconnect defective handpiece.
220 Volt version only: Overtemp cutout
in transformer may open. Allow
transformer to cool.
Contact PACE Service Department.
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