Check PCB for damage. Those temperatures should be reached within maximum 10 min period of time. In most cases those faults can be remedied by simply resetting the burner/ resetting the appliance (look below procedure on how to reset the boiler). Show. possible fault Permanent Fault - Temperature measured by return sensor greater than flow sensor. Miura's innovative design promises to move boiler technology into the 21st century, providing energy savings averaging 20% over other boiler designs. The burner door should be closed the burner plug should be plugged and now you should startthe heating system. Connect the expansion tank to the return conduit. Up to five previous cautions or alarms are stored for operator reference. Miura CMU-124H Troubleshooting Guide. If there are more than once display codes at the same time, the display codes will be shown in turn. 4. Check wiring to external device. Replace the cable loom or the affected part thereof. 0000027883 00000 n Your appliance should be compressedblock again. PDF Service News Vol - : How To Troubleshoot Common Industrial Boiler Issues 0000003056 00000 n In other dangerous circumstances, isolate the main fuelshut-off valve and the electrical power supply of thesystem. endobj 2924 V. No feedback from the modulating gas valve. Bad connection. Sensor not or badly connected. The return sensor has measured a temperature higher than 203 F (95 C). possible fault Water pressure test failed. Sensor fault. Attention! Replace the cable loom or the affected part thereof, The safety sensor is shorted or measures temperatures higher than 266 F (130 C), Open the servicing cocks. Reset button has been pressed. <> (Safety thermostat open-circuited). 0000004889 00000 n Carry on browsing if you are happy with this, or you can change your cookie settings at any time. Fill and bleed the heating system. through a shut-down because offault(s). 0000036320 00000 n Adjust the gas/air ratio. Deal with blockage. This saves valuable boiler operator time and ensures accurate results from every test. LOG IN. >%+UFYm0=o. z Ground the grounding terminal to prevent electric shock and malfunction. Inappropriate operation of Buderusboilers maylead to material losses, heath and life danger: 1. The minimal appliance operating temperature is always maintained- no need for a pump, n risk of its breaking. Fit the casing, 11.Switch on the power supply of the heating system on the circuit breaker. If broken, replace it by (a new) spare ceramic fuse 5 amps, 250V fast blow (F5AH, 250V), 9. PDF Manual operation for Aux. Boiler Alarm and Fault History LoggingWhen an alarm or caution is signaled, the Colormetry unit displays the alarm fault codes that assist the operator in resolving the problem and sends fault code information to the Miura Online Maintenance (MOM) program. No ionization current. possible fault Central heating NTC fault. miura boiler fault codes. We help you fix or diagnose the problem in 15 minutes, for a fraction of the cost of a home call out. Hardened or damaged packing cord must be replaced! Remember that reducing the minimumclearances makes the boiler more difficult to access for safety and service purposes.The foundation where boiler will be standing needs to be level and flat. Replace the primary, Open the servicing cocks. Main Boiler Error Codes | Technical Boiler Fault | Herofix Engineering & Installation Manual | PDF | Boiler | Horsepower - Scribd Never hang washing to dry in the boiler room, Material losses- through system damage caused by frost. At the end system should be re-filled with water. If it is, it is bad, replace it. Non-existent or insufficient circulation. possible fault Permanent Fault - Return temperature sensor open-circuit.