32
WIKA operating instructions, model CTH6200
EN
2146872.02 07/2021 EN/DE
7. Faults
Display
Cause
Measures
No display or
undefinable
characters
Instrument is not
responding to
button press
Battery is empty.
Insert new battery, see chapter
8.2 “Battery replacement”
Mains operation: Incorrect voltage/
polarity
Check/exchange power supply unit
System error
Disconnect battery and power supply
unit, wait a short while, reconnect
Instrument defect
Send in for repair.
- - - -
Sensor error: No probe connected
Connect probe to connection socket?
Sensor break or instrument defective
Send in for repair
Err
.
1
Measured value above allowable
range
Check: Is the temperature over the
permissible measuring range of the
sensor?
⇒
Measured value too high!
⇒
Reduce the temperature
Wrong probe connected
Check the temperature measuring
range of the sensor and, if necessary,
replace with a suitable temperature
probe with a higher measuring range
Sensor or instrument defective
Send in for repair
Err
.
2
Measured value below allowable
range
Check: Is the temperature under the
permissible measuring range of the
sensor?
⇒
Measured value too low!
⇒
Increase the temperature
Wrong probe connected
Check the probe and replace with
a suitable temperature probe with a
lower measuring range
Sensor or instrument defective
Send in for repair
Err
.
3
Scale range exceeded
Set resolution to 0.1 °C/°F or auto
Err
.
4
Under the scale range
Set resolution to 0.1 °C/°F or auto
Err
.
7
System error
Send in for repair