17
Trouble Shooting
Problems
Reasons
Flam
e ou
t i
n
use
No
igni
ti
on
af
ter
tur
n
ing
on
the
wate
r valve
Explosi
ve c
ombus
ti
o
n
Y
el
low ti
p
O
ut
do
o
r
Abnormal
ig
nit
ion so
u
nd
On “high”, wat
er
co
ld
On “Low
”,
water
too hot
Flam
e
on
af
te
r
tu
rni
ng
of
f
water
va
lve
Solutions
Gas valve not open
●
Open the gas valve or
recharge gas
Gas valve half open
●
●
Open
the
valve
completely
Air in rubber gas pipe
●
Keep turning on and
off the water valve till
ignition
Abnormal
pressure
high
●
●
Contact repairer.
low
●
●
Water valve not open
completely
●
Open it completely
Insufficient fresh air
●
●
Improve ventilation till
fresh air is enough
Too high outside wind
pressure(C type)
●
●
●
Stop using temporarily
Frozen
●
Use after melt
Insufficient
water
pressure
●
●
Ask repairer to check
water pressure
Wrong
temperature
Regulation
●
●
Turn the temperature
knob properly.
Power failure or not
switched on
●
●
Wait for power supply
or switch on it
Burner clogged
●
●
●
Contact service.
Heat
exchanger
clogged
●
●
●
i.b.
Failure in water control
●
●
●
●
●
i.b
Unsuitable
Ignition
needle position
●
●
i.b
Too much elbow
●
●
Select
a
reasonable
installation place