Failure to observe this information will result in serious Installation �������������������������������������������������� 12 injury or death. WARNING Failure to observe this information may result in serious injury or death. CAUTION Failure to observe this information may result in non-seri- ous or minor injury. | Service-Bedienblende WWK 222/302/H www.stiebel-eltron.com...
Service control fascia accessory for Indication of the actual temperature in the upper cylinder 321246 231209: WWK 222 section / 233209: WWK 222 H Indication of set temperature 1 / 231211: WWK 302 Indication of set temperature 2 / 232905: WWK 302 H Fault code 2 "Plus"...
Hot gas temperature switching value Note Fan lead time Another way to adjust set temperature 1 is to press the Replacement sensor "Plus" or "Minus" keys from within the default display (mixed water volume). | Service-Bedienblende WWK 222/302/H www.stiebel-eltron.com...
20 minutes. The following diagram illustrates the connections by means of a sample signal sequence from an external signal transmitter. www.stiebel-eltron.com Service-Bedienblende WWK 222/302/H |...
Fault code If the "Service/fault" symbol illuminates or flashes, you can query the fault code using the "Menu" key. This menu remains disabled if no fault has arisen. See the "Troubleshooting / Fault codes" chapter. | Service-Bedienblende WWK 222/302/H www.stiebel-eltron.com...
Temperature at the sensor at the cylinder top = integral sensor temperature + offset Press the "Menu" key until "lo" appears in the display. You can change this value using the "Plus" and "Minus" keys in the range between -5 and 5. www.stiebel-eltron.com Service-Bedienblende WWK 222/302/H |...
(65 °C). The set temperature is reduced again if the appliance cannot reach this set temperature because the hot gas temperature has been excessively high. | Service-Bedienblende WWK 222/302/H www.stiebel-eltron.com...
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The appliance tries again to heat with the heat pump. Fault code 8 is only set after 13 hours. Only then can emergency mode be manually re-enabled via the "Quick heat-up" key. www.stiebel-eltron.com Service-Bedienblende WWK 222/302/H |...
The appliance conti- nues to deliver heat. | Service-Bedienblende WWK 222/302/H www.stiebel-eltron.com...
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Check whether the fan is conta- ture < -20 °C. The air minated. flow rate is too low. E128 flashes Permanent HP error (5 Remedy the cause of the fault. times in 300 minutes) Override the HP lockout. www.stiebel-eltron.com Service-Bedienblende WWK 222/302/H |...
Undo the screw (Torx) that attaches the cover to the appliance. f Push the cover upwards. 1 Slot X2 f Insert the connecting cable into slot X2 at the top right of the control fascia rear. 1 Plug-in connection | Service-Bedienblende WWK 222/302/H www.stiebel-eltron.com...
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Reattach the battery pack to the appliance once work is complete to ensure that the appliance is protected against corrosion in the event of power supply interruptions. f Push the plug-in connection in the cable between battery pack and appliance back together. www.stiebel-eltron.com Service-Bedienblende WWK 222/302/H |...
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This will not affect warranties issued by any importers. Environment and recycling We would ask you to help protect the environment. After use, dispose of the various materials in accordance with national regulations. | Service-Bedienblende WWK 222/302/H www.stiebel-eltron.com...
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