possible fault Circulation fault (dry fire). Self-CalibratingThe Colormetry unit performs a true-zero test before every automated sampling. * All soft lockouts will automatically reset once the condition returns to normal or has timed-out. possible fault Permanent Fault - Problem with gas valve. Annual service record should be entered into operating manual book provided with your boiler. Bad connection. 0000003262 00000 n 0000004848 00000 n possible fault Parameter Error On PSU/PCB, possible fault Sensor Error; Sensor Fault, Temperature Fault or Flow Fault, possible fault Ignition fault. Replace the blower, The supply sensor has measured a temperature higher than 221 F (105 C), The return sensor has measured a temperature higher than 221 F (105 C), The UBA 3 does not register the short cut between the unused contacts 22 and 24. possible fault Differential water flow switch fault (still closed). possible fault Temporary Fault - Temporary loss of communication between gas valve and boiler board. possible fault Permanent Fault - Fan rotor blocked. Fault Codes - MyBoiler.com Check position of jumper 2. possible fault Permanent Fault - Jumper 3 changed. Before you start the boiler make sure that:the system water pressure is at the proper level, emergency stop switch of the the heating system is ONand the fuel supply to the main fuel shut-off valveis open. If there are more than once display codes at the same time, the display codes will be shown in turn. Non-existent or insufficient circulation. Reconnect the plug-and-socket connection of the blower. Product Specs Now you should clean the hot gas baffle plates using one of the twocleaning brushes as shown on the picture below. Buderus 500, Buderus 600, Boulter Bonus, Boulter Economy Combi and Eco System. Bleed at the highest point of the system, untilwater flows out of the air vent valve. possible fault Safety error for frequently loss of flame with max correction during the ignition during Calibration Function. Troubleshooting Troubleshooting and Maintenance 6-2 Troubleshooting Safety Messages Please read the following safety messages before troubleshooting or performing maintenance on the inverter and motor system. possible fault Central heating NTC fault. Worcester Boiler Error Codes [Full 2023 List] - Boiler Central Make-up water should be addedinto the heating circuit when the system pressure is not high enough. If broken, replace it by (a new) spare ceramic fuse 5 amps, 250V fast blow (F5AH, 250V), 9. Automated Scheduled TestingPeriodically samples softened water, and performs colorimetric analysis to determine hardness concentration. In order to reset the boiler you need to simply press the burner reset button. Miura boilers have a built-in microprocessor called the BL Micro Controller that keeps track of important boiler conditions like water temperature, gas temperature, burner settings, water level, and more. Then, the leaking tank will be regenerated via a saline wash to replenish the softener resins effectiveness.

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