1 troubleshooting flow chart (linear, double, Linear and u-tube) – Roberts-Gordon HE15UT User Manual

Page 69

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SECTION 16: T

ROUBLESHOOTING

63 of 73

16.1 Troubleshooting Flow Chart (Linear, Double Linear and U-Tube)

N

o

N

o

N

o

Ye

s

N

o

Ye

s

Ye

s

N

o

N

o

N

o

N

o

N

o

Ye

s

N

o

N

o

Ye

s

Ye

s

Ye

s

Ye

s

N

o

Ye

s

Ye

s

Ye

s

Ye

s

N

o

R

e

place ignition

mod

u

le

.

Is ther

e po

w

e

r o

u

t

fr

om pin 1

0

on

ignition mod

u

le?

R

e

place F

an.

T

u

rn

u

p ther

most

a

t.

Does the f

an t

u

rn

o

n

?

Place a j

u

mper acr

oss

the ther

most

a

t t

e

rm

inals

.

Does the f

an t

u

rn

o

n

?

Chec

k ther

most

at w

ir

ing

and r

eplace ther

most

a

t if

necessar

y.

Is ther

e po

w

e

r (230

V

)

at the

bu

rn

e

r?

Chec

k r

ela

y w

ir

ing

(if applica

b

le) and w

ir

ing

to

the

bu

rner

.

R

e

mo

ve

electr

ical pl

u

g

fr

om the pr

ess

u

re

s

w

itch;

place

ju

mper

b

et

w

een

b

lac

k & whit

e

leads

. Does the f

a

n t

u

rn

on?

R

e

place pr

ess

u

re

s

w

itch.

Re

m

o

ve

o

b

str

u

ction.

Unpl

u

g

bu

rn

e

r.

Does the f

a

n

tu

rn

f

re

e

ly

?

Is the f

a

n o

b

str

u

ct

ed?

F

an

b

ear

ings ma

y ha

v

e

fa

iled.

R

e

place f

an.

Re

m

o

ve

o

b

str

u

ction.

R

e

pair

, r

e

place or

tight

en hoses

as necessar

y.

Is the f

lu

e pipe or

the inlet of the

bu

rn

er o

b

str

u

ct

ed?

Ar

e the hoses t

o

the pr

ess

u

re

s

w

itch sec

u

re

and leak fr

ee?

R

e

place pr

ess

u

re

s

w

itch.

Is the ignit

er g

a

p

set at 3 mm?

Ca

re

fu

ll

y r

e

set g

a

p

to

3 mm.

R

e

place a

u

tomatic

contr

o

l

u

nit.

Unpl

u

g

bu

rn

er and chec

k

electr

ode and ignition w

ir

e

.

Ar

e the

y

damaged?

R

e

place electr

ode and

ignition w

ir

e

as needed.

Is ther

e spar

k at the

ignit

er?

R

emo

v

e

electr

ical pl

u

g

fr

om the pr

ess

u

re

s

w

itch;

place j

u

mper

b

et

w

e

en

b

lac

k

& whit

e leads

.

Does the f

an t

u

rn

o

n

?

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