Bradford-White Corp EFR160T120 warranty Exiting SELECTService SETMode

Step 6: Continue pressing the “Temperature Down” button to change to the next error code index and press “Select” to view the error code number, if any, for that index number. Continue on to index #1, the oldest error code index. The water heater display will store up to 10 error codes with the oldest code starting in code index #1 with the most recent code in code index #10.

Step 7: 10 seconds after the last button press, the Water Heater Display will revert back to the current error code display. To exit Service Mode, either wait 30 seconds or press Temperature Up button and Select Button for 3 seconds.

	°F	setpoint	
idle
Status	Operational
ExitingSELECTServiceSETMode

DIAGNOSTIC ERROR CODES AND TROUBLESHOOTING PROCEDURES FOR EF MODELS WITH HONEYWELL INTEGRATED DIRECT SPARK IGNITON CONTROL SYSTEM

Error	Definition of Code	Cause of Problem and Actions Taken to Correct
Code
		Check power supply to the water heater. Make sure water heater is plugged in
No code –		and the breaker is on. Check if there is 120 volts power supply to the LINE
		connections on the control board. If 120 volts is present, check for 24 volts
blank
		output to SECONDARY terminals on the Control Board. Check for loose wires,
display
		defective transformer. Check wire harness connections from display to the
		control board.
		Determine flame sense current in the Service Mode with the water heater
4	Low Flame Sense	operating. If less than 4.0 microamps, check burner flame sense rod and wire.
	Current	Clean flame sense rod with emery cloth. If problem is not solved, check for
		debris clogging burner or replace flame sense rod.
	Flame Sensed Out of
	Normal Sequence	Check to make sure gas valve has closed. No voltage should be present at the
6	(Before Opening Gas	gas valve before or after ignition cycle. Make sure wire positions on the wire
	Valve or After	harness are correct. If gas valve is stuck open, replace.
	Closing Gas Valve)
	Flame Detected	Check to make sure gas valve has closed. No voltage should be present at the
23		gas valve before the ignition cycle. Make sure wire positions on the wire
	Before Ignition
		harness are correct. If gas valve is stuck open, replace.
	Flame Detected After	Check to make sure gas valve has closed. No voltage should be present at the
24	Heating Cycle	gas valve before the ignition cycle. Make sure wire positions on the wire
	Completes	harness are correct. If gas valve is stuck open, replace.

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