Auto Off Safety System Mode
When enabled, the Auto Off safety system of the ST 145 system removes power 10-90 minutes
(enabled/disabled and adjustable in Set-Up Mode) after entering Temperature Setback.
When the system has entered Temperature SetBack, an Auto Off timer within the system circuitry
will start running (if Auto Off is turned on in Set-Up Mode):
1. If any key is pressed during the selected time out period, the Auto Off timer is reset. The
system will return to normal operation.
2. At the end of the time out period, the system will enter Auto Off. Power is removed, the
LED Display will show “OFF ” and the display will be flashing.
Exiting Auto Off
Auto Off can be exited; returning to normal operation by:
1. Pressing and releasing a Key (either of the 3 keys).
OR
2. By turning the Power Switch OFF (“0”) and then back ON (“I”).
LED Display Accuracy
No adjustments are necessary to maintain the accuracy of the system.
LED Display Message Codes
Following LED Display message codes which may appear if a mistake is made by the
operator (e.g., wrong Password entry) or if the system has malfunctioned.
LED Display Message
Description
The incorrect Password has been entered. The
displayed message will time out after 6 seconds
and revert back to normal operation. Enter the
Password.
No handpiece is connected to the Power
Receptacle. Connect the handpiece.
The LED Display is flashing.
The handpiece heater assembly sensor is open.
Refer to the respective handpiece manual.
The LED Display is flashing.
The handpiece heater assembly is shorted. Refer
to the respective handpiece manual.
The handpiece heater assembly may be defective.
Refer to the respective handpiece manual.
The LED Display is flashing.
Power source malfunction. Contact the PACE
Service Department for assistance.
©2004 PACE Inc., Annapolis Junction, Maryland
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