54
Temperature window. “OFF” will be dis-
played in the Percent Loss window. The
furnace will automatically return to normal
operation within five seconds with the
error codes deactivated.
Error codes are defeated to perform diag-
nostic procedures as to temporarily
ensure continued furnace operation in the
event of an error code.
Exit:
Depress the Power Switch to “OFF” and
then “ON” to return the furnace to normal
operation with activated error codes.
7 Key-Displays Actual Filter and
Chamber Temperatures:
Access:
Depress the 7 key while simultaneously
depressing the Power Switch to “ON”.
Procedure:
Chamber temperature will display actual
chamber temperature. The Percent Loss
displays actual filter temperature. Use for
diagnostic purposes only.
Exit:
Depress the Power Switch to “OFF” and
then “ON” to return the furnace to normal
operation.
8 Key-Serial Port Output Adjustment
Access:
Depress the 8 Key while simultaneously
depressing the Power Switch to “ON”.
Procedure:
SPC or SPn will display in the Chamber
Temperature window for three seconds.
SPC prints the serial output continuously.
SPn prints the serial output only when the
furnace is in the program mode.
Accessing toggles the mode between
SPC and SPn. The displayed mode is the
active mode. Default is the SPC mode.
P
ROCEDURES
Summary of Contents for Thermolyne 859 Series
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