techem compact IV S Betriebsanleitung Seite 8

Displays / operation
Info codes
Code Meaning
F-1 Temperature sensor faulty. Exchange the device and return it.
F-3 The outlet sensor registers a higher temperature than the inlet sensor. Check whether the
heat meter / the sensors are in the correct sections.
F-4 Flow sensors faulty. Exchange the device and return it.
F-5 Heat meter measures faultlessly. In order to save electricity, the optical interface is tempo-
rarily out of operation.
F-6 The flow direction of the volume measuring section is incorrect. Check the installation
direction.
C-1 The meter has a permanent fault and must be replaced. The readouts cannot be used.
Display levels
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 Due date value
1.5 Due date*
* The production date is displayed here before the first due date.
LT = long button press
KT = short button press
8
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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