Hydro Smart 115 PLUS, Инструкция по установке и руководство пользователя

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39
Remote
Green
LED
Malfunction
descrip tion
Diagnosis
510
Six Flashes Abnormal main gas
solenoid valve
551
Six Flashes Abnormal gas
solenoid valve
• Check for conne ction/b reakage of wires (Part #708) and/
or burn marks on the computer board (Part #701).
611*
Four Flashes Fan motor fault
• Check for conne ction/b reakage of wires (Part #714) and/
or burn marks on the computer board (Part #701).
• Check for c onnection/b reakage of wires, dust buildup
in the fan motor (Part #103) and / or burn marks on the
computer board (Part #701).
• Check for frozen / corrosion of connectors (Part #103).
701*
One Flash Computer board fault
711* One Flash
• Check the outlet thermistor (Part #408) as it may need to
be cleaned.
• Check for conne ction/b reakage of wires (Part #714).
Gas solenoid valve
drive circuit failure
721*
• Refer to the 111 and 121 error codes.
Six Flashes
False flame det ection
741 N / A
• Check if condensate drain is installed on the vent collar of
the water heater.
• Check if there is leaking from heat exchanger (Part #401).
Miscommunica tion
between boiler
and remote controller
751 N / A
• Inspect the c onnections between the boiler and
remote controller.
• Check the power supply of the water heater.
Miscommunica tion
between boiler
and built-in controller
• Inspect the c onnections between the boiler and
built-in controller.
• Check the power supply of the water heater.
991
Five Flashes Imperfect
combus tion
• Check the gas type of the boiler.
• Inspect the environment around the boiler.
Determine how long the unit has been installed.
• Check the altitude/ eleva tion of the area of where the
water heater is installed.
• Check if there is any blockage in the intake air and / or
exhaust.
• Check whether there is enough distance between the
exhaust and air intake terminals.
• Check if there is grease and / or dirt in the burner (Part
#101) and the fan motor (Part #103), especially if the
boiler has been installed in a contaminated area.