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Troubleshooting
22
| WPE-I H(K)W 230 Premium
www.stiebel-eltron.com
Note
When you open the appliance, check the sealing tape.
The sealing tape is required for generating the necessary
negative pressure.
f
Replace the sealing tape if required.
Note
The built-in fan must generate a negative pressure of at
least 30 Pa.
f
Check the negative pressure with a barometer on
the back of the appliance.
14.1 Resetting the high limit safety cut-out
If the heating water temperature exceeds 75 °C, the electric emer-
gency/booster heater shuts down.
If the electric emergency/booster heater does not switch off, the
high limit safety cut-out responds at a heating water temperature
of 89 °C.
f
Remove the cause of the fault.
D
00000
37
50
4
f
Reset the high limit safety cut-out by pressing the reset but-
ton. If necessary, use a pointed object to do this.
f
Check whether the heating water is being circulated at a suf-
ficiently high flow rate.
14.2 Resetting the compressor tempering device
If the hot gas temperature exceeds 120 °C, the compressor shuts
down.
D
00000
37
51
1
1
1 tempering device reset button
f
Isolate the appliance from the power supply.
f
Remove the cause of the fault.
Note
f
Do not reset the high limit safety cut-out at tempera-
tures above 65 °C.
f
Reset the high limit safety cut-out by pressing the reset but-
ton.
14.3 Checking the IWS DIP switch settings
If the fault cannot be located during a service using the heat pump
manager, open the control panel in emergencies and check the
IWS settings.
f
Remove the upper panel (see chapter "Installation / Trans-
port / Separating the appliance / Removing the upper front
panel").
IWS
BA
D
00000
63
99
7
1
2
3
4
1 Reset button
2 DIP switch (WP-Typ)
3 DIP switch (BA)
4 LEDs
DIP switch (WP-Typ)
The DIP switch (WP-Typ) on the IWS serves to set the relevant
heat pump type.
Factory setting
Compressor mode with electric emergency/booster heater
WP - Typ
ON
1
2
3
4
D
00000
57
05
4
f
Check whether the DIP switch is set correctly.
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