Specifications
SYMPTOM
CHECK1
RESULT
CHECK2
RESULT
CHECKS
RESULT
CHECK4
RESULT
CHECKS
No
ignition.
REASON
n
Failure
of
micfOprocessor.(ICl)
Failure
of
transistor
array.(IC12)
Failure
of
relay.
(RID
Fuse
open.(F2)
Igniter
open.
CORRECTIVE MEASURE
Replace
Fuse.(F2)
Igniter
is not
evenly
red
Replace
igniter.
Replace
igniter.
is
there
more
thanWdcTPS
andlC12
(®pin)?
Ho
Mo.
|
'
•
-
-
-
-
-
array.(ICl2)
Failure
of
triac.
(01)
Failure
of
resistor.
(R4.R87)
Failure
of
capacitor.
(CS)
Failure
of
combustion
blower.
Incorrect
wiring
of
combustion
biower.
Replace
combustion
blower
motor.
i
—
Correct
wiring.
Does
solenoid
pump work?
(
J
M~
1
N
°-
A)
Is
there 160V
DCL
at
diode(D1)
(E
'
D
•^
-
-
(D1.D1S)
microprocessor.flCl)
Failure
of
transistor
array.(lClO,
IC12)
Failure
of
resistor.
<R86)
|
Failure
of
photo
triac-(lCS)