TA Instruments TMA 2940 CE Operator's Manual page 160

Maintenance and Diagnostics
Furnace Power Check
NOTE:
6–12
POWER
HEATER
The light in the HEATER switch will glow only
after an experiment is initiated. The HEATER
switch will continue to glow, even if it is
switched to the OFF (0) position, until the "Stand
By" status code is displayed.
TA I
NSTRUMENTS
HEATER
TMA 2940 CE