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Billy Bob Bob
Code NumberDescriptionCommentGuidance in Installation InstructionsAdditional Checks Before PCB Swap● Check Gas supply and flue system correct (including condensate) .● Check connection between Gas Valve and PCB (large clear 9 wire connector).● Check connection between Spark Generator and PCB (grey 4 wire connector).● Check connections between Spark Generator and Electrode.● Check Black Sensing Lead connection between Electrode & PCB (connects to the left hand side of PCB at the bottom)E151BMU Internal ErrorShould not see, PCB errorNo● Hold Reset (ON / OFF Switch anti-clockwise) for 5 seconds. If doesn’t reset replace PCB.E152Parameter Setting ErrorShould not see, PCB errorNo● Hold Reset (ON / OFF Switch anti-clockwise) for 5 seconds. If doesn’t reset replace PCB.E155Remote Reset OffShould not see, PCB errorNo● Hold Reset (ON / OFF Switch anti-clockwise) for 5 seconds. If doesn’t reset replace PCB.E160Fan Speed Threshold Not ReachedFan System FaultYes● Check connection between Fan and PCB (small black connector with on right & grey 4 wire connector)E161Maximum Fan Speed ExceededFan System FaultNo● Check connection between Fan and PCB (small black connector with on right & grey 4 wire connector)● Check System pressure● Check Pump Operation● Check Connections to X400 and pressure sensorE167Heating Power Limit Exceeded / Under-runShould not see, PCB errorNo● Hold Reset (ON / OFF Switch anti-clockwise) for 5 seconds. If doesn’t reset replace PCB.E164Flow/Pressure Switch Heating Circuit ErrorCirculation Fault Primary CircuitNoPCB Error Codes For Stainless Steel Heat Exchanger AppliancesE133Safety time For Flame Establishment ExceededFlame failure
