Faults - WIKA CTD9100-ZERO Manual De Instrucciones

7. Faults

7. Faults
Personnel: skilled personnel
Protective equipment: safety goggles, protective gloves
CAUTION!
EN
Physical injuries and damage to property
and the environment
If faults cannot be eliminated by means of the
listed measures, the model CTD9100-ZERO
temperature dry-well calibrator must be taken
out of operation immediately.
▶
Ensure that there is no longer any voltage
present and protect against being put into
operation accidentally.
▶
Contact the manufacturer.
▶
If a return is needed, please follow the
instructions given in chapter 9.2 "Return".
Error
- - - -
uuuu
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ErEP
Fan is not running
Final temperature is not
reached
No display
No function
Thermal fuse
For safety, the calibrator is fitted with an
independently operating thermal fuse, which
cuts out the heater current supply if the
temperature inside the case is too high. Once
the metal block has cooled down, send the
calibrator to WIKA for examination.
14
Causes
Interruption of the internal reference sensor or the
internal reference sensor is defective.
Measured temperature under the limit value of the
internal reference sensor (underrange -200 °C
(-328 °F)).
Measured temperature over the limit value of the
internal reference sensor (overrange +850 °C
(+1.562 °F)).
Possible error in the controller's EEPROM
memory.
Fan is defective or blocked.
The temperature switch may have been triggered
and the current supply to the heating elements
switched off.
Solid state relay defective, or the heating-cooling
element has a short-circuit or has aged.
The controller is defective.
The mains connection is not made properly or the
fuse is defective.
WIKA operating instructions temperature dry well calibrator, model CTD9100-ZERO
For contact details, please see chapter
1 "General information" or the back page of the
operating instructions.
Measures
Send the instrument back to the manufacturer or
service partner for repair.
Press key P.
Send the instrument back to the manufacturer or
service partner for repair.
Check the mains connection and fuse.