Redring AE115, AE125 manual Water too cold - Neon light on

	Water too cold – Neon light on
Temperature dial	Turn the temperature dial located on the bottom of the water heater clockwise for
is turned too low	hotter temperatures. Refer to Graph 1 for outlet temperature vs. flow rate variance.
Water flow is too	Adjust water flow to stay within the water heater’s specifications. See Graph 1 on
high	Page 8 of this manual.
One or more of the	Shut off the power to the unit, remove the cover and locate therm al cutouts on the
heating module	top of each heating module. Try resetting each cutout by pushing the reset button
thermal cut-outs	located in the center of the cutout. Determine and fix the cause of the overheating.
has tripped	Obstructions in the water path can restrict the flow of water through the heater
	causing it to overheat. Verify the heater’s inlet filter screen and all outlets served
	by the heater are clear of debris. Ensure the heater is not being fed preheated
	water. This water heater is designed for a cold water feed only. If thermal cut out
	does not reset, check for continuity through each cutout (Less than 0.5 Ohms). If
	any cutout reads more than 0.5 Ohms or open, then it may be defective and
	should be replaced.
The power supply	This is likely an issue with the incoming power supply. Have a qualified electrician
voltage has	measure voltage on the water heater’s terminal block while operating at maximum
dropped	flow and maximum temperature setting. The AE115 / AE125 models are rated for
	240V and will also operate at 220V or 208V with reduced output. The output will
	vary in accordance with the following ratios:
	Volts	208	220	240
	Output Ratio	0.75	0.84	1.0
The inlet water	Verify the heater is sized appropriately for it’s geographic location. Turn
temperature is too	temperature knob located on the bottom of the water all the way clockwise for
cold	maximum temperature setting. Ensure flow rates are within the heater’s
	specifications. Refer to Graph 1 on Page 8 of the manual. Use of an isolation
	valve on the hot water outlet to control flow rate is recommended.
One of the power	Have a licensed electrician verify adequate voltage on the terminal block inside
supplies is not on	the water heater. Verify circuit breakers serving the heater are not tripped. See
	the “Electrical connections” section on Page 5 of this manual.
Premature element	Shut off power to the unit and remove cover. Use an ohmmeter to verify correct
failure	resistance on each element. If readings are different than listed specifications on
	Page 14, contact Technical Support (866) 330-2729 for further instruction.

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