22
8.3 PCB Error Codes
PROBLEM POSSIBLE SOLUTIONS
The Unit does not ignite when water
goes through the unit.
• Is the flow rate over 3.0l/min? (p. 19)
• Check for the filter on cold water inlet. (p. 20)
• Check for reverse connection and cross connection.
• If you use the remote controller, is the power button
turned on? (p. 19)
The fan motor is still spinning after
operation has stopped.
• This is normal. After operation has stopped, the fan
motor keeps running for 15 ~ 75 seconds in order to
re-ignite quickly, as well as push all exhaust gas out
of the flue.
PROBLEM POSSIBLE SOLUTIONS
Remote controller does not display
anything when the power button is
turned on.
Press the ON/OFF button.
If the light does not light up ⇒
• Make sure the unit has power supply.
•
An ERROR code is displayed. Please see the p.22
Remote controller can not change the
set temperature.
Is power light flashing?
If it is not, locate priority controller and turn off, or wait
for 10 mins on inactivity
~ WATER HEATER ~
~ REMOTE CONTROLLER (OPTIONAL) ~
The water heater is self diagnostic for safety and convenience when troubleshooting.
If there is a problem with the installation or the unit, it will display an error code on the remote
controller. Consult the following chart for each error code.
The error code will be
displayed on the remote
Error Code Fault
Temperature Sensor Fault
Ignition Failure or
Accidental Flameout
Flame Failure
Thermostat Fault
Continuous 3 second Outlet
Water Temperature 85℃
Fan Fault
Gas Proportional valve Fault
Timing Alarm (40 minute timer)
E0
E1
E2
E3
E4
E5
E6
EE
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