Tebas INVERTER S User Manual page 11

Water flow detection
The heat pump always runs when water flows through it. All models are equipped with a water flow switch that detects
whether the water pump is running or not.
Internal parameters
The button
persons.
When the device displays internal parameters, the icon will appear on the display
Error codes and solutions
Screen
St-by
FLO
AL10 / AL11
AL15 / AL16
AL18
AL17
AL7 / AL8
AL3
AL4
AL5
AL1
AL2
AL6
AL9
AL14
AL19 / AL20
AL21 / AL22 / AL23 /
AL24 / AL25
"Flow" LED is on = water pump is running.
Flow LED off = water pump is off.
is used to check the internal parameters. These parameters may only be changed by qualified
Explanation
Standby mode
No water flow or the flow switch
has not detected water flow
Heat pump error
Temperature difference between
water inlet and outlet too great.
Compressor outlet temperature
difference too high
Low temperature protection in
cooling mode
Communication error
Probe error (water inlet)
Probe error (water outlet)
Probe error (coil)
Probe fault (compressor output)
Probe fault (compressor input)
Probe error (environment)
Fan error
Ambient temperature too low
The problem with the electric
power
Electronic / overheating protection
Control
-
- Check that the filter pump is
running.
- Check the bypass setting.
- Check the setting of the water
flow switch.
Check the electrical connection
between the controller and the
electronic board in the device.
Check probe connection
Check fan connection.
Ambient temperature below -15° C Wait until the ambient
Have an electrician check the
power supply.
Turn the power OFF for 5 to 10
minutes, then check that the
water flow is not obstructed, and
then turn the power back on.
- 11 -
.
Solution (except restart)
-
Contact the supplier
temperature rises.
Contact the supplier