3.4 Status reporting
Temperature module TED8xxx / page 66
3.4.8 Device error condition register (DEC)
The bits of this register show the errors, that occur during operation (operation
errors). The bits are active high.
If the error disappears, the bits are reset to low.
For the TED8xxx temperature controller modules bits 0, 4, 5, 6 and.8 are used:
(0) Over temperature
Temperature too high. Wait until the module
has cooled down. Maintain proper air flow.
(4) Temperature out of window
TEC temperature is out of specified window.
(5) Open circuit
TEC circuit is open.
(6) No or wrong sensor
Temperature sensor not connected or wrong
type.
(8) Power supply error
Internal powersupply error.
The DEC can be read but not set. Reading does not clear the DEC.
3.4.9 Device error event register (DEE)
The bits of this register hold the errors, that occurred during operation (operation
errors). So each bit of the DEC sets the according bit of the DEE.
The DEE can be read but not set. Reading clears the DEE.