Download Baxi MainEco Combi 35 Service manual
Transcript
Baxi MainEco Combi and System 24 - 28 - 35 / 18 - 24 9. Troubleshooting Lock out (Status signals) Status signals Description Error code 4 (4 times red signal) Fan fault Error code 5 (5 times red signal) Parameter error Error code 6 (6 times red signal) Miscellaneous Probable causes 4 4 4 Checking / solution External draught over the 4 boiler 4 Defective gas/air unit 4 Bad connection Check for adequate draw on the chimney connection Replace the gas/air unit Check the wiring 4 Safety parameters not found 4 ResetdF/dU code with Recom software, controller or service tool 4 Several possible causes 4 The fault codes can be read with the Recom service software, a suitable controller or a service tool Lock out (Error code - e[KK) Error code Description e[00 Storage unit PSU parameter not found e[01 The safety parameters are incorrect e[02 Flow temperature sensor short circuited e[03 e[04 e[05 Flow temperature sensor open circuit Flow temperature too low Flow temperature too high Probable causes 4 Bad connection 4 Check the wiring 4 Bad connection 4 Check the wiring 4 PSU defective 4 Replace PSU Check the wiring 4 Check that the sensors are operating correctly 4 Sensor not or badly connected Bad connection 4 4 4 Check that the sensor has been correctly fitted 4 Sensor fault 4 Replace the sensor if necessary Check the wiring 4 Check that the sensors are operating correctly 4 Sensor not or badly connected Bad connection 4 4 4 Check that the sensor has been correctly fitted 4 Sensor fault 4 4 Replace the sensor if necessary Vent the air in the heating system No circulation 4 4 Check the water pressure 4 Bad connection 4 Check the wiring Sensor not or badly connected Sensor fault 4 4 Check the circulation (direction, pump, valves) 4 Check the cleanliness of the heat exchanger 4 Check that the sensors are operating correctly 4 Check that the sensor has been correctly fitted 4 Replace the sensor if necessary 4 Check that the sensor has been correctly fitted 4 Check the wiring 4 Check that the sensors are operating correctly 4 Check that the sensor has been correctly fitted 4 Check the wiring 4 Check that the sensors are operating correctly 4 Vent the air in the heating system 4 Check the water pressure 4 Check the wiring 4 Check the circulation (direction, pump, valves) 4 Check the cleanliness of the heat exchanger 4 Check that the sensors are operating correctly 4 Check that the sensor has been correctly fitted 4 Replace the sensor if necessary 4 4 e[06 Return temperature sensor short circuited 4 Return temperature sensor open circuit 4 4 Sensor fault 4 e[08 e[09 Return temperature too 4 low Return temperature too 4 high 4 02092014 - 7619497-02 Sensor not or badly connected Bad connection Sensor fault Sensor not or badly connected Bad connection 4 4 e[07 Checking / solution No circulation Bad connection Sensor not or badly connected Sensor fault 67