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PLEASE NOTE: SH22 IS FOR OUTDOOR PERMANENT INSTALLATIONS ONLY AND SH22I IS FOR INDOOR PERMANENT INSTALLATIONS ONLY. THIS MANUAL
AND ALL ECCOTEMP CONTENT IS SUBJECT TO CHANGE WITHOUT NOTICE. PLEASE VISIT SUPPORT.ECCOTEMP.COM FOR MORE INFORMATION.
Designed in
Summerville, SC
Support:
Support.Eccotemp.com
Shop Online:
www.Eccotemp.com
Phone:
866-356-1992
Error
Code
Error
Description
Blink Pattern
Possible Cause
What to Do
E1
Outlet
Temperature
Sensor
BLUE light blinks 1 time,
pauses for 2 seconds, then
repeats
Junction port loose, short circuit
Call for Service
E2
Ignition Flame
Failure
BLUE light blinks 2 times,
pauses for 2 seconds, then
repeats
The gas valve is not opened or
fully opened, water shut off valve
is not open, junction port is loose
Check & open gas
fully, Check & open
water valve, Call for
service
E3
Thermostat
Sensor
BLUE light blinks 3 times,
pauses for 2 seconds, then
repeats
There is flame, but no water is
coming in
Check & open
water valve fully,
Call for service
E4
Over Heating
Protection
BLUE light blinks 4 times,
pauses 2 seconds, then
repeats
Over temperature sensor shuts
the water heater off. Outlet water
temperature sensor detects the
outlet water temperature is over
the limit and sends a signal to the
main controller to shut off the
water heater.
Lower the outlet
water temperature,
Call for service
E5
Inlet
Temperature
Sensor Failure
BLUE light blinks 5 times,
pauses 2 seconds, then
repeats
Problem with sensor, problem
with sensor’s plug or socket, none
of the above
Replace the sensor,
fix it, replace the
computer board
E6
Fan Motor
Voltage Error
BLUE light blinks 6 times,
pauses 2 seconds, then
repeats
Motor problem, voltage of power
supply is too low
Call for service
E7
Solenoid Valve
Error
BLUE light blinks 7 times,
pauses 2 seconds, then
repeats
Open circuit of the valve, short
circuit of the valve, none of the
above
Connect the
valve, replace the
valve, replace the
computer board
E8
Vent Pipe
Block
BLUE light blinks 8 times,
pauses 2 seconds, then
repeats
Vent pipe is blocked
Clean the pipe
If the error code remains shown:
• Close the hot water faucet and turn off the
switch on the remote control.
• Take the proper action shown below and
attempt operation of the water heater again.
• If the error code is still shown:
• Turn off the hot water faucet and turn off
the switch on the remote control.
• Take note of the error code displayed and
call the customer service assistance
number in the “If You Need Service”
When an error code is displayed:
• Close the hot water faucet, turn off the
switch on the remote control.
• Wait for about 5 minutes before turning the
switch on again.
• Open the hot water faucet.
NOTICE: If an error code other than those
listed below is displayed, immediately turn off
the hot water faucet, take note of the error
code, turn off the switch on the remote control
and call the customer assistance number.
Error Code Guide
CAUTION: For your safety DO NOT attempt repair of gas piping, remote control, burners , vent
connectors or other safety devices. Refer repairs to qualified service personnel.
CAUTION: Make certain power to water heater is “OFF” before removing protective cover FOR ANY
REASON.
CAUTION: Label all wires prior to disconnection when servicing controls. Wiring errors can cause
improper and dangerous operation. VERIFY PROPER OPERATION AFTER SERVICING.
listed below is displayed, immediately turn off
the hot water faucet, take note of the error
code, turn off the switch on the remote control
and call the customer assistance number.
CAUTION: For your safety DO NOT attempt repair of gas piping, remote control, burners , vent
connectors or other safety devices. Refer repairs to qualified service personnel.
CAUTION: Make certain power to water heater is “OFF” before removing protective cover FOR ANY
REASON.
CAUTION: Label all wires prior to disconnection when servicing controls. Wiring errors can cause
improper and dangerous operation. VERIFY PROPER OPERATION AFTER SERVICING.