techem MID Mode D'emploi page 12

In case of error F6 execute the following steps:
Check the meter installation.
1
Generate a positive flow.
2
Check the current flow (LCD).
3
Wait until the LCD is off again (approx. 2 mins.).
4
Press the button again.
5
Wait for 1.5 mins.
6
The result of recognising the flow direction is only displayed after 1.5 mins.
Check LCD as to whether F-6 is now off.
7
!
If F-6 does not cease, you must replace the meter.
Display levels
The display is switched off under normal operation. Approx. 2 minutes after the last time a
key is pressed, the display is deactivated automatically.
The heat meter has two display levels - the readout level and the service level
A long press of the button switches between the display levels. A short press of the
button jumps to the next display
!
In the device number display, the number next to the display identifier is the first
digit of the device number.
Key for
2
1 Readout level
1.1 Cumulated energy since
commissioning
1.2 Display test "everything on"
1.3 Display test "everything off"
1.4 Display test "UHF ON/OFF"
1.5 Due date value
1.6 Due date*
* The production date is displayed here before the first due date.
LT = long button press (> 3s)
KT = short button press (< 3s)
12
2
2 Service level
2.1 Current flow rate
2.1 Inlet temperature
2.3 Outlet temperature
2.4 Temperature difference
2.5 Current performance
2.6 Cumulated volume since commissioning
2.7 Next due date
2.8 Device number
2.9 Firmware version number