Heinrichs Messtechnik GmbH
Page 112 of 122
OPERATING MANUAL TMU / UMC3
8.
Trouble shooting
Should you experience problems with your flow meter after the meter has been installed and commissioned,
go through the following checklist of regularly encountered errors before contacting our service department.
Self-help Checklist
Observation
Possible causes and remedy
The display is blank and there
are no output signals
The supply voltage cables are not properly connected. Check!
The transmitters fuse has blown.
- For position and approved replacement types refer to section 5.1
on page 43.
Measuring electronics are defect. Contact HM service.
The display is blank but the
output signals are delivering
signals
The BE2 display unit connector has not been plugged or was
incorrectly seated.
- Control the seating of the connector.
The BE4 Unit is defect.
- Contact service.
The display contains
undefinable characters
A foreign language is set.
- Refer to section 7.2.13.1 on page 103 to change the language
The communication to the display has been disrupted.
- Restart the transmitter by removing its power.
- If the problem persists, contact our service department.
A measured value is displayed
but is not being updated on a
regular basis
The Ambient temperature is below -25 °C
- The function of the LCD display cannot be guaranteed below -25
°C, but will return to full function once the ambient temperature
rises.
An error message is displayed
Delete the error as described in section 7.2.13.4 and restart the
transmitter.
- If the error persists, note the error code and refer to section 8.2.3
for an error description.
If the error could not be rectified in this way, contact our service
department for further assistance.
Table 19: Self-help Checklist
