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Corrective Maintenance
Digital Display Message Codes
Listed below are message codes, which, may be shown on the LED Display if a mistake were to be
made by the operator (e.g., wrong Password entry) or if the system has malfunctioned.
LED Display Message
Power Source
Most malfunctions are simple and easy to correct.
Symptom
Probable Cause
No power to
Blown Fuse
system
Handpiece will
Defective Heater
not heat
Power Source Malfunction
Spare Parts
Item # Description
Fuse, 1.25 Amp Time Lag (Domestic)
1
Fuse, 0.63 Amp Time Lag (Export Models)
Service
Please contact PACE or your local distributor for service and repair.
©2010 PACE Inc., Annapolis Junction, Maryland All Rights Reserved
Description
The incorrect password has been entered. The displayed
message will time out after 6 seconds and revert to normal
operation. Enter the correct password.
"Open Sensor Error" No handpiece is connected to the power
receptacle. Connect handpiece.
The handpiece heater assembly sensor is open. Refer to the
appropriate handpiece manual
" Shorted Sensor Error" The handpiece heater assembly sensor
is shorted. Refer to the appropriate handpiece manual.
"Over Circuit Error" The handpiece heater assembly may be
defective. Refer to the appropriate handpiece manual Contact
PACE or your authorized local representative for assistance.
Solution
Check handpiece using Heater Assembly Checkout
Procedures in the appropriate handpiece manual.
Replace the fuse (located in the AC Receptacle Fuse
Holder) with one of the same rated value (see Table 4,
Spare Parts)
Refer to the appropriate handpiece manual
Contact PACE
PACE Part Number
1159-0251-P5
1159-0214-P5
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