Servicing, Chart continued on next page – Goodman Mfg R-410A User Manual

Page 28

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SERVICING

28

- C

onn

ec

to

rs

a

re

or

ien

ted

"

dow

n"

(

o

r a

s re

co

m

m

end

ed

b

y e

qu

ipm

ent

m

a

nu

fa

ct

ure

r)

.-

A

rr

an

ge har

ne

ss

es

w

ith

"

dr

ip

lo

op

"

u

nd

er m

o

to

r.

-

Is co

nd

ens

at

e

dra

in p

lu

gg

ed?

-

Ch

ec

k

for

low

a

irfl

ow

(t

oo m

u

ch

la

ten

t ca

pa

cit

y)

.

-

Ch

e

ck

fo

r

und

er

ch

a

rge

d

co

nd

itio

n

.

-

Ch

ec

k

and

pl

u

g

lea

ks

in

re

tu

rn

duc

ts

, c

abi

n

et

.

*M

o

is

tu

re C

h

ec

k

Im

por

tan

t

N

o

te:

U

si

ng

th

e w

ron

g

mo

tor

/co

nt

ro

l mo

d

ul

e v

oid

s a

ll pr

o

duc

t wa

rr

a

nti

es

a

n

d ma

y pro

duc

e un

ex

pe

ct

ed

re

su

lts.

Not

e

:

Yo

u m

us

t us

e

th

e c

o

rr

ec

t

rep

lac

e

m

e

nt

c

ont

rol

/m

o

to

r m

odu

le

s

in

ce

th

e

y ar

e f

a

ct

o

ry

pr

og

ra

m

m

ed

fo

r s

p

ec

ifi

c ope

ra

tin

g

m

ode

s.

E

ve

n t

hou

gh t

he

y lo

ok

a

lik

e,

dif

fe

re

nt

m

odu

le

s ma

y h

a

ve

co

m

pl

et

el

y d

iffe

re

n

t

fu

nc

tiona

lit

y.

T

he

E

C

M

v

ar

iabl

e

s

p

eed

m

ot

o

rs

a

re

c

CHART CONTINUED ON NEXT PAGE

Sy

m

p

to

m

F

au

lt

D

esc

ri

p

ti

o

n

(s)

Po

ss

ib

le

C

au

ses

C

o

rr

ect

iv

e A

ct

io

n

C

au

ti

o

n

s an

d

N

o

te

s

-

M

ot

or ro

cks

s

light

ly

w

he

n s

ta

rti

ng

.

-

T

hi

s i

s no

rm

al

s

tar

t-

up

fo

r

v

ar

iabl

e s

pe

ed mo

to

r.

----

----

----

-

N

o move

men

t.

-

M

anua

l di

sc

onn

ec

t s

w

itc

h

of

f or

do

or

s

w

itc

h

op

en

.

-

Bl

ow

n

fu

se

or

c

irc

ui

t br

ea

ke

r.

-

24

V

ac w

ire

s m

isw

ire

d.

-

U

ns

ea

ted pi

ns

in

w

iri

ng

ha

rnes

s

co

nn

ec

to

rs

.

-

Ba

d mot

or

/c

ont

ro

l mo

dul

e.

-

M

oi

st

ur

e

pr

es

en

t i

n mot

or

or

c

ont

ro

l mo

dul

e.

-

C

hec

k 23

0 Vac

p

ow

er

a

t mo

to

r.

-

C

he

ck

lo

w

v

ol

ta

ge

(

24

V

ac

R

to

C

) a

t m

oto

r.

-

C

hec

k l

ow

v

ol

ta

ge c

onne

ct

io

ns

(

G

, Y

, W

, R

, C

) a

t m

oto

r.

-

C

hec

k f

or

un

seat

ed

pi

ns

in

c

on

ne

ct

or

s

on

mo

to

r har

ne

ss

.

-

T

es

t w

ith

a

te

m

por

ar

y j

ump

er

bet

w

een

R

-

G

.

- Tu

rn

p

ow

er O

F

F

p

rio

r t

o

re

pa

ir.

W

ai

t 5

m

in

ute

s a

fte

r

di

sc

on

nec

ting po

w

er

b

ef

or

e

o

pe

ni

ng

m

oto

r.

-

Ha

nd

le

e

lec

tr

on

ic

mo

to

r/

co

nt

ro

l w

ith

c

ar

e.

-

M

ot

or ro

cks,

b

ut

w

on

't s

ta

rt.

-

Lo

os

e m

ot

or

m

oun

t.

-

Bl

ow

er

w

hee

l no

t t

ig

ht

o

n mot

or

s

haf

t.

-

Ba

d mot

or

/c

ont

ro

l mo

dul

e.

-

C

hec

k f

or

lo

os

e mo

to

r moun

t.

-

M

ak

e s

ur

e bl

ow

er

w

hee

l i

s

tigh

t o

n s

haf

t.

- P

erf

or

m

m

ot

or/

co

nt

ro

l re

pl

ac

em

en

t ch

eck,

E

C

M

m

oto

rs

o

nl

y.

- Tu

rn

p

ow

er O

F

F

p

rio

r t

o

re

pa

ir.

W

ai

t 5

m

in

ute

s a

fte

r

di

sc

on

nec

ting po

w

er

b

ef

or

e

o

pe

ni

ng

m

oto

r.

-

Ha

nd

le

e

lec

tr

on

ic

mo

to

r/

co

nt

ro

l w

ith

c

ar

e.

-

M

ot

or

o

scil

la

te

s u

p &

d

own

wh

ile

b

ei

ng

te

st

ed

o

ff

of

b

lo

w

er

.

-

It i

s n

or

m

al

fo

r m

ot

or

to

o

sc

ill

at

e w

ith

n

o l

oa

d o

n

sh

aft.

----

----

----

-

V

ar

ie

s

up

an

d dow

n

o

r

in

te

rm

itte

nt

.

- V

ari

at

io

n

in

2

30

V

ac

to

m

ot

or.

-

U

ns

ea

ted pi

ns

in

w

iri

ng

ha

rnes

s

c

onn

ec

to

rs

.

-

E

rra

tic C

F

M

c

om

m

an

d f

ro

m

"B

K

"

te

rm

in

al

.

-

Im

pr

op

er

th

er

m

os

tat

c

onn

ec

tio

n or

s

et

tin

g.

-

M

oi

st

ur

e p

res

en

t i

n

mot

or

/c

ont

ro

l mo

dul

e.

-

C

hec

k l

ine

v

ol

tage

fo

r

va

riat

ion or

"

sa

g"

.

-

C

hec

k l

ow

v

ol

ta

ge c

onne

ct

io

ns

(

G

, Y

, W

, R

, C

) a

t

m

oto

r,

u

ns

ea

te

d p

in

s i

n m

ot

or

ha

rnes

s c

onne

ct

or

s.

- C

he

ck-o

ut

sy

st

em

co

nt

ro

ls

- Th

er

m

ost

at

.

- P

erf

or

m

M

oi

st

ure

C

he

ck.

*

- Tu

rn

p

ow

er O

F

F

p

rio

r t

o

re

pa

ir.

-

"H

un

ts

"

or

"

puf

fs

" at

h

igh

C

F

M

(

sp

eed

).

-

In

co

rr

ec

t o

r d

irt

y fi

lte

r(

s)

.

-

In

co

rr

ec

t s

up

pl

y o

r r

etu

rn

d

uc

tw

or

k.

-

In

co

rr

ec

t bl

ow

er

s

peed

s

et

ting.

-

D

oes

r

em

ov

in

g pan

el

o

r

fil

ter

r

ed

uc

e "

puf

fing

"?

-

C

hec

k/

re

pl

ac

e f

ilt

er

.

-

C

he

ck/

co

rre

ct

d

uct

re

st

rict

io

ns

.

-

Ad

ju

st

to

c

or

re

ct

bl

ow

er

s

pee

d s

et

ting

.

- Tu

rn

p

ow

er O

F

F

p

rio

r t

o

re

pa

ir.

Tro

u

b

lesh

oo

ti

ng

C

h

art

f

o

r E

C

M

V

ari

ab

le

S

p

eed

A

ir

C

ir

cu

lat

or B

lo

w

er M

o

to

rs

-

M

ot

or w

on

't

s

ta

rt.

-

M

ot

or st

ar

ts

,

b

ut r

un

s

e

rra

tica

lly

.

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