CALOR 40 Manual Page 22 (total 27) COMAC CAL s.r.o.
Failures and their symptoms in the course of measurement
Unstable indication and outputs may appear with:
- high portion of solids
- non-homogeneities in state of aggregation
- dislocation of blending
- chemical reactions in measured substance are still in progress
- using diaphragm pumps or piston pumps
Evaluation unit checking
Troubleshooting
- No data shown on display, red LED is OFF – supply voltage for meter has failed.
After restoration of the supply voltage, the meter registers the supply voltage failure and
continues in taking measurement.
- The meter is under voltage but no data indicated on display – apply a long press on
the right M button of the meter for display reinitialization. If the display fails to light up,
contact the nearest service centre (the power supply can be measured according to the
description below).
- Red LED is ON – find the error code on display and eliminate the error or contact the
service centre.
- Meter does not respond to the front panel buttons pressed down – apply the long
press to the right M button of the meter until the display is reinitialized. If the display
fails to light up after pressing the button, contact the service centre.
- After failure of the supply voltage, measured values are set to zero – contact the
service centre.
- In any other suspicion of malfunction – check in service mode if the data correspond
to rated and set point values.
Error code
1 data write error
2 data read error
4 EEPROM error
8 volumetric gain out of permissible range
16 energy gain out of permissible range
32 Tp error
64 Tv error
128 dT out of range
The gross error is given by the sum of individual errors.
Power supply check
This check may only be performed by a skilled person with
relevant electrical qualification according to Regulation
No.50/1978 Coll.
Hook up a voltmeter to CON1 connector according to the
Figure. The measured value should be within 8 to18V.
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