40
Page
PROBLEM
SOLUTIONS
W
ATER
HE
ATER
Unit does not ignite
when water goes
through the unit.
•
Is the power on the micro-boiler?
•
Is the gas on?
•
Is the
fl
ow rate over 0.5 GPM (1.9 L/min)? (p. 34)
•
Is the system Y-strainer clean?
•
Check for reverse c
onnection
and cross c
onnection
. (p. 22)
•
Is the temperature controller
power button turned on?
(p. 34 and 35)
•
Check if the system return temperature is too high?
The fan motor is
s
till
spinning a
ft
er
opera
tion
has stopped.
•
This is normal. A
ft
er opera
tion
has stopped, the fan motor keeps
running from 15 to 70 seconds in order to re-ignite quickly, as well
as purge all the exhaust gas out of the
flue
.
Abnormal sounds from
the micro-boiler.
•
Is the correct gas type of a micro-boiler installed? (p. 6)
•
Are the DIPswitch se
ttings
for your
altitude
set correctly? (p. 26)
•
Check the
flame
quality. (p 38)
•
Is the intake or exhaust vent blocked? (p. 10)
•
Is the vent length and diameter correct? (p. 11 to 16)
•
Is the manifold pressure set correctly? (p. 4)
Unit sounds abnormal
while in opera
tion
•
Contact the manufacturer at 1-763-331-3066
Remot
e
con
tr
oller
Controller does not
display anything when
the power bu
tt
on is
turned on.
•
Make sure the micro-boiler is supplied with power.
•
Make sure the connec
tion
to the micro-boiler is correct.
NOTICE:
When the micro-boiler has not operated for
fi
ve minutes or more,
the display of the controllers turns o
ff
to conserve energy.
An ERROR code is
displayed.
•
Please see p.
41 to 43.
Owner's Guide
Summary of Contents for HS120CON-LP
Page 27: ......