Appendices
Agilent Electrothermal Temperature Controller ETC 60 User’s Guide
47
used for the thermocouple cold junction and for LCD contrast control. Check the
operating environment of the ETC 60.
Fatal Errors
ERR_T_HIGH
Measured temperature of the cell assembly is too high. Possible cause is a
defective power circuit.
ERR_HARDWARE
General error in the main printed circuit board.
ERR_AMB
Ambient temperature is out of range for correct operation, or the ambient
temperature measurement is faulty. Check the operating environment.
ERR_T_HIGH_OR_TH_CPL
or
ERR_THERMO_CPI
Probably a disconnected or faulty thermocouple cable. Switch off the ETC 60,
check the thermocouple cable, and then switch the ETC 60 on. If the error recurs,
the thermocouple may be faulty.