Use and Care Manual
17
ERROR CODES
TYPE SERVICE NEEDED LED DESCRIPTION/ACTION
ALERT Solid red 1. Conguration data restore failure. Call for service.
ALARM
One (1) red blink followed by a
pause
1. Disconnection of lower thermistor. Please call for service.
2. Failure of lower thermistor. Please call for service.
Three (3) red blinks followed by
a pause
1. Tank not lled with water. Please ll the tank with water and recycle power.
Four (4) red blinks followed by
a pause
1. Disconnection of wire(s) to upper or lower element or ECO. Call for service.
2. Upper element wire(s) and lower element wire(s) switched. Call for service.
3. ECO tripped and needs reset. Reset ECO or call for service.
4. Failure of one or both elements. Call for service.
Five (5) red blinks followed by a
pause
1. Upper or lower element relay stuck on. Please call customer service.
2. Upper or lower temperature conversion error. Please call customer service.
3. Conversions stuck error. Call for service.
4. Conversion drift error. Call for service.
5. On-board temperature protection error. Call for service.
6. Failure or disconnection of upper thermistor. Please call for service.
Error Codes for Electronic Control
CAUTION: For your safety DO NOT attempt repair of electrical wiring, temperature sensor, electronic control,
heating elements or other safety devices. Refer repairs to qualified service personnel.
!
UNLOCK / LOCK
(HOLD 3 SEC)
NOTE: To mute an alarm, press one of the arrow buttons on the keypad. Alarm will not clear until the water heater is
properly serviced.
In the event of an error, the SERVICE NEEDED LED will blink red or remain solid
red. This will depend on the type of error that has occurred. The water heat will remain
operational when an ALERT occurs. There are five (5) ALARM codes that represent a
family of ALARMS where the water heater will shut down.
Blinking
Indicator
x1 = Lower Thermistor Failure
x3 = Dry Fire (Heating without water)
x4 = Element Wiring or Emergency Cut Out
x5 = Control or Power Board Error
NUMBER OF BLINKS