Bradford White TGHE-199I-N - Manual (Page 63)

63
Code Code Description Remedy
No
code
Nothing happens
when water flow is
activated. Clean inlet water supply filter.
On new installations ensure hot and cold water lines are not reversed.
Check for bleed over. Isolate unit from building by turning off hot water line to building.
Isolate the circulating system if present. Open your pressure relief valve; if water is
flowing, there is bleed over in your plumbing.
Ensure you have at least the minimum flow rate required to fire unit.
Ensure turbine spins freely.
Measure the resistance of the water flow control sensor.
Check for DC shorts at components.
If any of the above diagnostic codes are seen flashing on the display, call for service.
WARNING
Failure to remedy faults may result in severe burns, scalds, and/or death.