Hydro-Smart 199, Инструкция по установке и руководство пользователя

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49
Page
Owner's Guide
Remote
Green
LED
Malfunction
descrip tion
Diagnosis
391 Two Times Air-fuel ra tio rod
failure
• Check for c onnection/b reakage of wires (Part #709)
and / or soot on the AFR rod (Part #108).
441 Two Times Flow sensor failure
(Easy-Link System only)
• Check for c onnection/b reakage of wires and / or
debris on the fl ow sensor impeller (Part #402).
510
Six Times Abnormal main gas
solenoid valve
• Check for connec tion/b reakage of wires (Part #708)
and / or bu rn marks on the computer boa rd (Part #701).
551
Six Times Abnormal gas
solenoid valve
• Check for connec tion/b reakage of wires (Part #708)
and / or bu rn marks on the computer boa rd (Part #701).
611
Four Times Fan motor fault • Check for c onnection/b reakage of wires, dust buildup
in the fan motor (Part #103) and / or burn marks on
the computer boa rd (Part #701).
• Check for frozen / corrosion of connectors (Part #103).
651
Four Times Flow adjustment
valve fault (Easy-
Link System only)
• r o f , ) 2 0 4 # t r a P ( e v l a v t n e m t s u j d a w o lf e h t t c e p s n I
c onnection/b reakage of wires, locked motor drive
due to scale buildup, and / or water leakage.
661
Four Times Bypass valve fault • Inspect the b ypass valve (Part #403), for c onnection/
b reakage of wires, locked motor drive due to scale
buildup, and / or water leakage.
701
One Time Computer boa rd fault • Check for c onnection/b reakage of wires (Part #714).
711
One Time Gas solenoid valve
drive circuit failure
• Refer to the 111 and 121 error codes.
721
Six Times False fl ame
det ection
• Check if condensate drain is installed on the vent
collar of the micro-boiler .
• Check if there is leaking from heat exchanger (Part #401).
741
N / A Miscommunica tion
b etween micro-
boiler and remote
controller
• Check the model type of the remote controller.
• Inspect the c onnections b etween the micro-boiler
and remote controller.
• Check the power supply of the micro-boiler .
751
N / A Miscommunica tion
b etween micro-boiler
and temperature
controller
• Inspect the c onnections b etween the micro-boiler
and temperature controller.
• Check the power supply of the micro-boiler .
761
N / A Miscommunica tion
in Easy-Link System
• Check if the c onnections b etween the parent unit
and the child units are correct. Refer to p. 28-31.
941
Five Times Abnormal exhaust
temperature
• Check if the set temperature is higher than 140°F
(60°C) and the system is Recircula tion.
991 Five Times Imperfect
c ombu s tion
• Check the gas type of the micro-boiler .
• Inspect the environment around the micro-boiler .
Determine how long the unit has been installed.
• Check the altitude/ eleva tion of the area of where
the micro-boiler is installed.
• Check if there is any bloc kage in the intake air and/
or exhaust.
• If the micro-boiler is installed as a direct-vent system,
check whether there is enough distance b etween the
intake air terminal and the exhaust terminal.
• Check if there is grease and / or dirt in the bu rner (Part
#101) and the fan motor (Part #103), especially if the
micro-boiler has b een installed in a contaminated area.