STIEBEL ELTRON PSH 30 Universal EL Bedienung Und Installation Seite 31

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15. Troubleshooting
Note
The high limit safety cut-out can respond at temperatures
below –15 °C. The appliance may be subjected to these
temperatures during storage or transport.
f Display the fault code (see chapter "Settings / Displaying the
fault code").
f The plugs are described in chapter "Specification / Wiring
diagrams and connections".
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The heat-up time is very long and the
heat-up symbol lights up.
The safety valve is dripping and the
heat-up symbol does not light up.
The display flashes.
The water does not heat up.
The heat-up symbol does not appear.
The display flashes.
The water does not heat up.
The display flashes.
Reset button, high limit safety cut-out
f Isolate the appliance from the power supply.
f Undo the screws and remove the bottom cap.
f Disconnect the connecting cable from the electronic assem-
bly for operation, position X2.
1 High limit safety cut-out reset button
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The flanged immersion heater is scaled up.
The valve seat is contaminated.
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The temperature sensor is faulty.
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Communication between the electronic assemblies for
control unit and operation is faulty.
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The high limit safety cut-out has responded.
The high limit safety cut-out has responded because the
thermostat is faulty.
The high limit safety cut-out has responded because the
temperature has dropped below -15 °C.
The booster heater does not switch on.
The flanged immersion heater is faulty.
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The temperature sensor is faulty.
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Descale the flanged immersion heater.
Clean the valve seat.
Check whether plug X10 is properly inserted.
Check the temperature sensor.
Check whether plugs X2 are inserted properly in both
assemblies. Check the assemblies and the connecting
cable.
Check the appliance and eliminate the cause. Press the
reset button (see diagram).
Remedy the cause of the fault. Replace the high limit
safety cut-out.
Press the reset button (see diagram).
Check the button.
Replace the flanged immersion heater.
Check whether plug X10 is properly inserted.
Check the temperature sensor.
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