Trouble shooting cha r t – Cooper Lighting Sure-Lites Lifeway II Series User Manual

Page 16

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113904 – S

yst
em

Us
ers M

anual

15

TROUBLE SHOOTING CHA

R

T

B a t t e r y

Voltage

l o w

o r n o n

existent

1

2

3

4

5

Battery
voltage

does

not read
properly

after

Installation

of

fresh

cells

4

3

1

2

Battery

acid

leaking

in

cabinet

or

around
tops of

batteries

1

2

4

3

Batteries

require

continuous

addition

of water to

keep proper

level

(optional w/

wet cells)

3

1

2

4

Charger

stays in

HI

charge

1

2

3

Charger

not

charging

properly,
batteries

low or

dead

2

6

3

4

5

1

System

blows

battery fuse

(& fuses in

battery

cabinet if

applicable)

3

5

6

2

1

4

Inverter

jitters or

staggers

during a

power
failure

1

3

2

System

noisy,

transformer

hum

during a

power

failure

1

2

3

System

overheats,

smells,

smokes,

etc.

3

2

1

4

6

5

AC output

voltage

low

during a

utility

power
failure

3

2

1

4

System

noisy,

excessive

transformer

hum during

normal run

conditions

1

2

3

System

draws

excessive

AC input

current

1

2

3

Inverter

will not

run

during a

power

failure

1

3

4

6

2

11

7

10

9

8

5

S
Y

M

P
T

O
M

S

THE NUMB ER IN TH E

CHART IND ICATE S

ORDER IN W HICH

PROBLEM S S HOULD

BE CH ECK ED

P R O B L E M S

Installation switch on
inverter in off position

S h o r t e d I G B T
m o d u l e ( s )

No AC input voltage

D e f e c t i v e i n v e r t e r

Output volt-ampere
rating of unit being
exceeded

Ambient temperature too
high, vents blocked

S h o r t e d l o a d

R e v e r s e b a t t e r y
d i o d e s s h o r t e d

Open battery fuse (&
fuses in battery cabinet
if applicable)

Battery polarity w r o n g

D e f e c t i v e c h a r g e r

B a t t e r y c a p a c i t y l o w

L o w w a t e r i n b a t t e r y
(optional w/ wet cells)

Wrong amount of battery
cells in series

Batteries dead, low or
defective

Transfer module and/or
control circuit
malfunction

Transformer not
connected for proper
voltage

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