Olsen OLSSC-075, Инструкция по установке, эксплуатации и обслуживанию

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38
Check f
or 120
Vac In
side H
igh
Volta
ge Ter
m
inal
Bo
x. Is 120
Vac
available?
External Power Switch ON?
YES
NO
T
u
rn ON p
o
wer to Boiler.
Is Power Light Lit?
YES
YES
NO
NO
Does User Interfa
c
e D
isplay work?
Ch
eck C
ircuit
Breake
r o
r
Em
ergen
cy D
iscon
n
ec
t Switch
an
d 120
V
a
c Wiring
to B
o
iler. F
ix
o
r Rep
air Extern
al Wiring
.
Check 120 Vac on M
o
lex
Co
nnector on
top of Lo
wer
Jacket
is 12
0 Vac ava
ilable?
Rep
lace Wire
Ha
rn
e
s
s.
NO
YE
S
Repla
ce Power L
igh
t
YES
NO
Remove U
s
er Interface
from
base. Using Digital Voltme
ter
check for 25
to 30 Vdc. Is vo
ltag
e
present?
M
ake
sur
e all w
ir
e har
ness plugs
are p
roper
ly pu
shed
in.
Release
plu
g lo
ck with finger
, remove a
nd
reconne
ct all 7 plugs . Check
wiring fr
om User
Interf
ace
to Low
Voltage T
e
rminal Strip includ
ing
checking continuity of the w
ires.
Doe
s U
s
er Interface
Display work?
NO
YES
YES
NO
R
eplace
Con
tro
l Mod
u
le
Rep
lace U
ser Int
erface
GO TO NEXT PAGE
Remove T
op Jacket.
Is User Interface
Lit?
NO
YES
13 - TROUBLE SHOOTING