Barnstead 47900 Operation Manual page 43

Inaccurate temp.
readout.
Oxidized or contaminated
thermocouple.
Poor thermocouple connection.
Improper loading procedures.
Poor ventilation of control.
Thermocouple connections
reversed.
T
ROUBLESHOOTING
Replace thermocouple.
Tighten connections.
Use proper loading
procedures.
Clear area around furnace
control.
Reconnect thermocouple
correctly.
43