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WIKA operating instructions, model CTD4000
14366831.01 05/2020 EN/DE
EN
9. Faults
9. Faults
Personnel:
Skilled personnel
Protective equipment:
Protective gloves
For contact details see chapter 1 “General
information” or the back page of the operating
instructions.
WARNING!
Physical injuries and damage to property
and the environment caused by high
temperatures
In the event of a defect, extreme temperatures
can be present at the instrument.
▶
Wear the requisite protective equipment.
CAUTION!
Physical injuries and damage to property
and the environment
If faults cannot be eliminated by means of the
listed measures, the instrument must be taken
out of operation immediately.
▶
Contact the manufacturer.
▶
If a return is needed, please follow the
instructions given in chapter 11.2 “Return”.
Error
Causes
Measures
No function
The calibrator does not respond
when the power cord is
connected and the switch is on.
The voltage supply is not established correctly
Check voltage supply
The fuse is defective
Replacing the fuse
The power cord is defective
Replace the power cord with an equivalent
The main switch is faulty
Send in for repair
The fuse tripped as the
instrument was switched on
The fuse is wrong
Check that the proper fuse is inserted for
the supply voltage and replace the fuse, if
necessary.
The main switch is faulty
Send in for repair
Short-circuit in the heating element
Final temperature is not reached
The solid-state relay or the heating element is
faulty
Send in for repair
The overtemperature switch has tripped
The display is working properly
but the temperature does not
increase and the calibrator
displays error code Ht.
The safety thermostat has been triggered for
over temperature
Verify the set point of the safety thermostat Set:
Ref to the level 4 of the menu.
The display is working properly
but the temperature does not
increase and the calibrator
indicate Err after few seconds.
The heater is faulty
Press any button to see if restore the heating.
Send in for repair
The temperature controller is faulty
Replace the temperature controller
The display shows a different
temperature than is present in the
block
The internal probe is not calibrated
Return the temperature dry-well calibrator for
calibration
The controller is defective
Send in for repair
The temperature exceeds the set
point
The control circuit board is defective
Send in for repair
The calibrator is barely cooling
down
The controller is defective
Send in for repair
Fan is defective
810 or 786 appears on the display.
Internal probe is faulty
Send in for repair
