30
F
A
UL
T FINDING
TEST
‘B’:
turn the selector s
witch to the
“on”
position
ST
AR
T
Displa
y
sho
ws 01
Displa
y
sho
ws 02
Displa
y
sho
ws 03
Displa
y
sho
ws 04
RESET
Chec
k gas
supply
Displa
y
sho
ws 06
Displa
y
sho
ws 07
RESET
Ensure JP5
tag is on
Chec
k
ther
mistor
v
alues and/or
replace
Go to test "C"
Replace main
PCB
Chec
k wir
ing
and contin
uity
Displa
y
sho
ws 08
Chec
k
gas
pressure
Chec
k contin
uity
and/or replace
ther
mostat
Displa
y sho
ws
09
Replace main
PCB
F
ault code
sho
wing d1
Chec
k condensate
le
v
el & sensor
F
ault code
sho
wing d2
Chec
k condensate
sensor wir
ing &
contin
uity