L.B. White 220 Therma Grow - Manual (Page 24)

2 23
F
iv
e
T
im
e
s
Rapid On/Of
f
cy
cling of the
burner
.
See flame sensor relat
ed pr
oblems in
three time flash patt
ern.
S
ix
T
im
e
s
Lo
w micr
oam
p output fr
om flame sensor
. The heat
er will
continue t
o
operat
e as normal. Flame sense is lo
w and that
flame f
ailure or im
pr
oper operation can occur at an
y time. See
flame sensor relat
ed pr
oblems in three time flash patt
ern.
F
o
u
r
T
im
e
s
If HSI boar
d does no
t reset, then replace the boar
d. (Int
ernal boar
d f
ault.)
If HSI boar
d resets, then ha
v
e
q
ualif
ied electrician check po
w
e
r sour
ce f
o
r
po
w
er q
uality pr
oblems. (F
req
uency
, line noise, line spik
es, loose connections,
to
o small wire gauge.)