Note: If removing the burner for service or replacement, purchase (101 Burner Burner gasket MUST NOT be reused after removal. Ensure burner plate and heat exchanger suface is change and smooth before reinstalling burner. 10. If code 54 still appears after performing the above inspections, replace the P.C. board. Code 61 Combustion Fan Motor WARNING: Before servicing fan motor turn off power and gas supply to the water heater. Never attempt to plug up or unplug motor while power is supplied to product. Failure to follow this procedure could lead to damaged components including the fan motor. 1. Check wiring harness for loose, broken or damaged connections from fan motor back to P.C. board. 2. Remove fan motor with power and gas supply turned off. Inspect blower wheel to ensure it turns freely. 3. fan housing for debris that could prevent the fan wheel from turning. 4. Ensure check valve behind the fan motor is not sticking in the closed position. 5. Measure resistance and/or voltage of the Combustion Fan Motor on P.C board at Connector D: a. Connector red wire pin #4 & wire pin #6 =7 ~ 48 VDC “D” b. Connector white wire pin #10 & black wire pin #6 = 10 ~ 12 VDC “D” c. Connector yellow wire pin #8 & black wire pin #6 = 11 ~ 13 VDC “D” 6. If motor windings are within specifications and fan motor turns freely, replace fan motor. 7. Replace P.C.
Note: If removing the burner for service or replacement, purchase (101 Burner Burner gasket MUST NOT be reused after removal. Ensure burner plate and heat exchanger suface is change and smooth before reinstalling burner. 10. If code 54 still appears after performing the above inspections, replace the P.C. board. Code 61 Combustion Fan Motor WARNING: Before servicing fan motor turn off power and gas supply to the water heater. Never attempt to plug up or unplug motor while power is supplied to product. Failure to follow this procedure could lead to damaged components including the fan motor. 1. Check wiring harness for loose, broken or damaged connections from fan motor back to P.C. board. 2. Remove fan motor with power and gas supply turned off. Inspect blower wheel to ensure it turns freely. 3. fan housing for debris that could prevent the fan wheel from turning. 4. Ensure check valve behind the fan motor is not sticking in the closed position. 5. Measure resistance and/or voltage of the Combustion Fan Motor on P.C board at Connector D: a. Connector “D” red wire pin #4 & wire pin #6 =7 ~ 48 VDC b. Connector “D” white wire pin #10 & black wire pin #6 = 10 ~ 12 VDC c. Connector “D” yellow wire pin #8 & black wire pin #6 = 11 ~ 13 VDC 6. If motor windings are within specifications and fan motor turns freely, replace fan motor. 7. Replace P.C.
2018%20N-Series%20Water%20Heater%20Knowledge%20Base%2004062018GW%20(Use%20this%20Copy).docx