Failure 1 thermoelectric potential is smaller than the actual value may cause short circuit;
Between the thermocouple junction box in the terminal short circuit;
Compensation conductor for insulation burn out the circuit;
Compensation conductor and thermocouple does not match;
Compensation conductor and thermocouple polarity reverse;
Insert depth and the installation location is wrong;
Thermocouple cold junction temperature is too high.
On checking if it is caused by wet treatment methods, can be drying;
If the insulation fault of the porcelain tube, it should be replaced.
Open the box, the wiring scrub brush clean;
The short circuit insulation or replace a new compensation conductor;
Replacement of the same type into compensation conductor;
Change the installation location and insertion depth;
Thermocouple wires for compensation wire, turn away the cold end of drier.
Fault 2 possible reasons for thermoelectric potential is greater than the actual compensation conductor and thermocouple type does not match;
Insert depth or installation location is wrong;
Hot electrode metamorphism;
Jamming signals enter;
The thermocouple reference end temperature on the high side.
The replacement of the same type of compensation wire processing method.
Change the installation location or insert depth;
Check the interference sources and eliminated;
Adjust the reference temperature or amended.
Failure 3 meter indicates instability,, when high when possible reasons: low heat electrodes in terminal poor contact;
Thermocouple with intermittent short circuit or intermittent grounding phenomenon;
Hot electrode has been broken or seems broken off;
Thermocouple installation is solid, swing;
Compensation conductor grounding or intermittent short circuit phenomenon.
Good treatment to meet;
Remove thermal electrode from the protection tube of thermocouples, find out the fault point and eliminated;
Replace the new electrode;
Installation is firm;
Find out the fault point and eliminated.