Castle 5540, 5545, 5550 Service manual

SERVICE

MANUAL

Castle

5540 5545 5550

WARMING

MDT

Biologic

1777

East PO.

Rochester,

CABINETS

Company

Henrietta

Box

23077

New

York

14692,

Road

U.S.A.

M

mom

Technology

for

Life

350265

SERVICE

MANUAL

350265

(6/4/90)

i

JD

Operator Parts

Special It

is

Publications:

Manual

Catalog

safety

the

responsibility

Instructions

signs

and

of

The

“Danger”

“Warning”

350263

350264 350266

instructions

the

user

to

follow

DESCRIPTION

following

notes

alert

symbols

the

are

user

IMPORTANT

used

in

this

manual.

all

recommendations.

OF

SYMBOLS

are

the

possibility

user

to

the

possibility

Read

&

NOTES

notes

of

serious

of

them

th:t

appear

personal

carefully

IN

injury.

MANUAL

In

this

injury

before

using

manual.

which

could

the

warming

be

fatal.

cabinet.

*

2

CAUTION

NOTE

je

NOTE

»

NOTE

»

©MDT

and

Castle

“Caution”

“Notes”

All

parts

This

manual

or

in

part

are

registered

notes

alert

the

replaced

contains

without

alert

the

user

to

pertinent

under

warranty

proprietary

the

written

trademarks.

to

the

possibility

facts

shall

information

permission

and

conditions.

be

returned

of

MDT.

of

damage

MDT

intact

to

the

to

MDT

Corporation.

equipment.

Corporation

It

shall

not

for

evaluation.

be

reproduced

in

whole

)

Il

350265

a

Table

of

Contents

©

GENERAL

Description elle Temperature HOMO Control

WIRING

5540/5545/5550

Printed

TROUBLE

Diagnostie

Heater/FanOperationalChecks

CALIBRATIONS

Power Temperature

Chart

Boot

DESCRIPTION

Of

Components

nefe)

ei

ea

Conversion

ANNEES

Board

Detail

DIAGRAMS

Circuit

Supply

Recorder

AGIISUTIARE

Board

ANALYSIS

Voltage

Control

Warming

AND

Galibraton

REPAIR

Safety Access Access Circuit FuseReplacement Transformer Low molayiRepiacement

HeaterReniacement. ThermostatHeplacementi.

Temperature

During

To

Control

To

Control

Breaker

Replacement

Voltage

o

EPrOMIRBPIAC

Printed

Recorder

Door

Witch

Door

Gasket

Power

Circuit

Replacement

Repair

Replacement

Sensor

MEN

Board

Replacement

...............,:....4,...,,..,.,.....,,....,.

|

Chart

tr

64355450400

Schematic

...........................................

oC

4000

Cabinet

Wiring

Diagram

...........................

Diagram

...................................

O

ADJUSTMENTS

СайБгайоп

Calibration

te

Joe

ak

..........

Head

Components

Box

Components

..........................

i...

Supply

A

Replacement

LT

Replacement....................

cae

Replacement

(Optional

lc.

.................

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4-2 4-2

4-3

4-4

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5-2 5-3 5-3 5-3

dado

5-3

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em

5-5 5-5 5-5

기 에 5-5

5-5

sia

5-6

5-7 5-7 5-7

1-3 1-4 1-5 1-5 1-6

复

350265

Ill

5540,

5545, & 5550

WARMING

1.

General

CABINETS

Description

SECTION

DESCRIPTION

TOUCHCONTROL:PANEL TEMPERATURE EATEDIAIRIEOWI CONTROL

OF

BOARD

COMPONENTS

CONVERSION

DETAIL

1.

GENERAL

0

RES

CHART

に

にに ee

............

DESCRIPTION

..................

...............

т.

aie

1-3

1-4 1-5 1-5 1-6

DESCRIPTION

GENERAL

1.

SECTION

350265

1-1

5540,

1.

General

5545, & 5550

Description

CENTER

(STORAGE)

COMPARTMENT

WARMING

CONTROL

ASSEMBLY

CABINETS

HEAD

CENTER

(STORAGE)

COMPARTMENT

CONTROL

HEAD

ASSEMBLY

RECORDER (OPTIONAL)

RECORDER

(OPTIONAL)

MODEL

(Cabinet

CENTER

(ЗТОВАСЕ)

COMPARTMENT

SHELF

FILTER

5550

Model)

CONTROL

ASSEMBLY

HEAD

PANEL

soar

SWITCH

SHELF

FILTER

ADJUSTABLE

SHELVES

CONTROL

PANEL

soda

SWITCH

RECORDER

(OPTIONAL)

ADJUSTABLE

SHELVES

|

RED PEN 一一一一 |

DOOR

ACTUATED

SATO

a

MODEL

(Cabinet

o,

A

SNS

5545

Model)

jE

9

Eh

CONTROL

PANEL

DOOR

SWITCH

UPP

HEATED

ICOMPARTMENT

HEATED DEFLECTOR

UNHEATED

OMPARTMENT

AIR

LOWER

о

1-2

MODEL

(Cabinet

5540

Model)

MODEL

MDT/CASTLE

5545 & 5550

(Recessed

Model)

5540,

5545,

and

5550

WARMING

OPTIONAL

CABINETS

RECORDER

MODEL

(Recessed

5540

Model)

350265

GENERAL

Castle

designed kets,

is

The

partment located

air

The partment adjustable

does

lower

regardless

The

over is

provided

lower

provided

lower

DESCRIPTION

Door

Closing

switch

circuit.

shuts

Filter

Keeps

the upward.

5540,

for

towels,

adjustable

compact

capable

in

the

and

directs

5545

Warming

and a lower

not

circulate

compartment

5550

Warming

items

placed

capable

of

are

three

in

shelves

Switch

the

and

Opening

off

electrical

airborne

heated

DESCRIPTION

5545,

and

the

heating and

and

other

dry

from

36°C

5540

Warming

of

holding

front

of

the

it

upward.

Cabinet

unheated

shelves.

of

the

holding

adjustable,

compartments

the top

and

warming

allows

compartment,

Air

into

remains

upper

Cabinet

on

each

20

two-liter

shelf,

directs

OF

COMPONENTS

cabinet

electrical

the

door,

power

and

dust

5550

Warming

storage

goods.

(97°F)

Cabinet 20

of

Cabinet

to

71°C

provides

two-liter

compartment,

has

an

upper

compartment

from

the

upper

the

lower

compartment,

at

ambient

compartment's

circulates

of

its

four

shelves.

flasks.

thus

allowing

to

be

adjustable.

filters

the

heated

it

upward.

door

depresses

power

to

contact

releases

to

the

debris

and

the

heating

circulating

from

directs

Cabinets

solutions,

temperature

(160°F).

one

flasks.

filters

Its

the

heated

with

compartment

so

temperature

temperature.

heated

The

the

air

evenly

Each

two

shelves

height

The

air

from

of

the

heating

door

switch

circuit

and

through

heated

the

are

blan-

com-

filter,

com-

two

the

shelf

the

filter,

the

door

and

fan.

air

5540,

Optional

A

warming recorde? a

24

hour

DOOR

ACTUATED

SWITCH

Recorder single

degree

over a 24

Door

Actuated

triggers

recorder If

you

wish recorder switch

outward.

NOTE

|

5545, & 5550

Recorder

cabinet

to

record

period.

——8

OPTIONAL

Chart - The

increments

hour

period.

Switch - Closing

this

switch

door

triggers

to

record

door

is

open,

When

pen

and will door.

may

be

the

temperature

o

—

recorder

from 0 to

to

start

this

the

cabinet simply

you

open

arm

automatically

moves

remain

WARMING

1.

General Description

equipped

o

of

CABINETS

with

an

the

cabinet

CHART

RECORDER

chart

is

graduated

100°C

(32

to

the

recorder

the

recorder;

switch

temperature

pull

the

to

the

until

you

to

holding

opening

stop

the

door

recorder

lifts

off

ramp

close

the

recorder.

while

door,

the

optional

over

in

212°F)

door

the

actuator

the

chart

where

it

recorder

en

Control Center

be

May

cartridges,

pens,

350265

Head

Assembly

Storage

for

used

Compartment

access

ready

etc.

recorder

of

charts,

ink

5540, 5545, & 5550

1.

General

Description

WARMING

CABINETS

Adjustable (Models

To

increase partments, adjustable

Main

Turning

located

power

to

the

Transformer

The

transformer

to

provide

Overtemperature

This

switch

from

the

192°F,

Heaters

The

warring

ers.

These

sockets

Fans

Two “Heated

5545

shelves.

Power

off

under

from

circuit

24V

heaters.

inside

fans

circulate

Air

Shelves

and

or

decrease

you

Switch/Circuit

the

control

breaker

for

closes

cabinet

heaters

the

Flow.”

5550

Only)

may

raise,

main

power

control

circuit.

output.

steps

down

the

chart

Switch

at

212°F

The

overtemperature

uses

screw

control

the

height

lower,

Breaker

switch/circuit

head,

removes

Power

the

electrical

recorder.

to

remove

two

500W

into

the

two

box.

heated

air

of

the

or

remove

all

is

still

electrical

switch

cone-type middle

as

illustrated

three

com-

the

breaker,

electrical

present

power

input

power

resets

heat:

electrical

two

up

at

in

TOUCH

TEMPERATURE

CONTROLS

SWITCH

CONTROLS

"OFF"

SWITCH

Power cabinet,

LED green

Power

cabinet,

cabinet

Set-Temp.

these

cabinet

temperatures

Actual

is ously

warming

CONTROL

| | ヒー

ON"

ON - Pressing

Indicator - Pressing

“ON”

OFF - Pressing

to

buttons

temperature

Temperature

activated,

indicates

LE

|

CONTROL

and

activates

LED.

de-activates

return

to

Up

and

allows

range

the

left-hand

the

cabinet.

PANEL

|

1

-

=

PANEL

this

button

the

control

the

ON

this

button

the

control

ambient

Down

in

from

temperature.

Arrow

you

to

increase

1°C

(1

or

36°C

(97°F)

Display - While

temperature

actual

temperature

İP

$

=

TEMPERATURE

CD

=

turns

on

the

warming

panel.

button

panel,

2°F)

illuminates

turns

off

the

warming

and

allows

Buttons - Pressing

or

decrease

increments.

to

71°C

(160°F).

the

control

display

continu-

inside

se

|

the

Set-

panel

the

Set-Point panel continuously

the

warming

Condition

perature

warming

more condition.

Temperature

is

activated

indicates

cabinet

Indicator - “OH”

selected

cabinet

than

4°C

(7°F),

the

to

display

rises

thus

Display - While

right-hand

temperature

maintain.

above

temperature

appears

if

the

alerting

temperature

set

you

the

you

selected

in

the

actual

temperature

to

an

overheat

control

display

for

tem-

of

the

by

350265

5540,

5545, & 5550

WARMING

1.

General Description

CABINETS

TEMPERATURE

HEATED

°C

36

37 38 39 40

41 42

43

44

45 46 47

AİR

CONVERSION

*

FLOW

=

SE

97

99 100 102 104 106 108 109 111 113 115

117

CHART

26

48

49 50

51

52 53

54

55 56

57 58 59

=

SE

118

120 122 124 126 127

130 131 133 135 136 138

°С

60

61

62 63 64 65

66

67

68

69

70

71

a

oF

140

142 144

145 147

149

151 153 154 156 158 160

*

Upper

‧

Lower

350265

MODEL

Heated

Unheated

5545

Compartment

MODEL

5540

MODEL

5550

1-5

5540, 5545,

General

1.

CONTROL

To

access

1.

Open

2.

Tum control

3.

Raise raised

4.

Tum OFF

1.

Unit

Type

WARNING

NOTE

|

&

5550

Description

BOARD

the

control

center

screw

in

head.

the

control

position,

circuit

Configuration

To

avoid

Power

before

The

main

ered

selections

new

values.

WARMING

DETAIL

board,

section

down

making jumper

down

lower

right

head

breaker.

possible

circuit

before

to

reset

proceed

door.

corner

and

the

main

breaker

the

CABINETS

as

follows:

to

release

secure

electrical

selections.

making

system

circuit

must

it

be

jumper

with

the

in

the

shock,

breaker

pow-

the

For

unit

as

shown

In

order jumpers tions.

For

°F

jumper

For

°C

the

jumper.

type

and

below:

3

DS13

5

JUMPER

to

operate

should

operation

in

the

°F/°C

operation

°F/°C

125956

ES

EE

35

the

be

installed

of

the

location.

of

the

selection,

configure

UN

oa

=

+

5,

BSE

5

BS

©

CONFIGURATION

warming

cabinet,

in

the

cabinet,

first

cabinet,

J4

=

[8]

00

>50

0

RE!

|

5) > laces

the

unit

and

third

install

do

not

jumpers

(|

o

0008

2

35026501

type

posi-

the

install

1-6

=

350265

С

2.

Volume

While panel, adjust

wheel R28

3.

Service

Four

indicator

in

troubleshooting.

DS14

being

DS11

turned

Control

depressing

until

Diagnostic

(POWER)

supplied

(BLOWER)

ON,

which

al

the

you

LED's

to

pnl

°°

the

controls

volume

obtain

on

—

when

the

control

—

when

turns

1

©

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q

οἱ

ㆍ

“ON”

by

rotating

the

desired

Indicator

the

ON

LED's

control

lit,

indicates

board.

lit,

indicates

the

fans.

O

do

a

um

Jo;

of

&

a

=

button

the

volume

board

that

fi

o

|

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o

yi

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dk

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on

the

level.

serve

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2

DS10 being

DS5,

cabinet.

4.

These optional chart tor/Warmer

Normal

INPUT

Oz

°

y

:

5540, 5545, & 5550

(HEATER)

turned

DS12

Toggle

toggle

chart

recorder,

(NORM)

—

ON,

which

and

DS13

Switches

switches

recorder.

switch

position

position.

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WARMING

1.

General Description

lit,

ON

not

and

S2

used

If

the

unit

should

switch

indicates

the

apply

in

S1

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that

heaters.

to

conjunction

is

equipped

be

set

should

Do

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CABINETS

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warming

with

to

the

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set

to

st

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SETTINGS

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VOLUME

CONTROL

513855AA

1-7

5540, 5545,

General

1.

NOTES

&

5550

WARMING

Description

CABINETS

350265

5540,

5545, & 5550

WARMING

2.

Wiring

CABINETS

Diagrams

5540/5545/5550

PRINTED

CIRCUIT

SECTION

WARMING

BOARD

2.

WIRING

CABINET

SCHEMATIC

WIRING

DIAGRAM

DIAGRAMS

DIAGRAM

......

........

2-2

2-6

DIAGRAMS

WIRING

2.

SECTION

350265

2-1

5540,

2.

Wiring

5545, & 5550

Diagrams

WARMING

CABINETS

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2-2

WARMING

CABINET

WIRING

DIAGRAM

2A2HTR

nr

R

4HTR

2F

=

--

2A2HTR

ーー

2AISSR2 一 ak

ーー

F

2A2TB10 ZA1SSR2 2A2T810

2A2SSR4

2A2TB9

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Y

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r 1

5540,

R —R

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一

NOTES:

1)

2)

3)

|

4)

=

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i

1

5)

8)

7)

5545, & 5550

ALPHA

NUMBERS

BRACKETS

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120V = R

NEUTRAL LOW

VOLTAGE = У

INFORMATION

JUMPER

STRIPS

120

VOLT

MRING

CONNECT

WIRE

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=

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NUT

3

SHOWN

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TO

TO JA

SEE

ON

WIRE

ACTUAL

THESE

WITH

BLACK

MARKING

VIOLET

ON

LABEL

WTH

FOR 240

UNUSED

DISPLAY

PAGE 2 OF

WARMING

2.

Wiring

LEADS

PART

WIRE

COLOR,

MRES

ARE NOT

THE

“APPLICABLE

ON

WHITE

MRE

ON

MARKING

ON

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TERMINAL

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BOARD

2

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OF

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NOT

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5545, & 5550

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350265

5540,

5545, & 5550

WARMING

2.

Wiring

CABINETS

Diagrams

NOTE

>

Voltage 1PS2J-6

at

1PS2J-1

is

-12V.

is

+12V,

voltage

at

Ш

5

1PS

4

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digo

2422

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6

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WIRING

DIAGRAM

2A2

FOR

ES

240VAC

518584AD

(

350265

5540/5545/5550

WARMING

CABINET

WIRING

DIAGRAM

2-5

Cc

N

74LS373

50

の

—

s о + a o o

+50

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on

2-6

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51840384

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350265

DIAGRAM

24VAG

———

ap

ош 24VAC

3-3

31840388

2-7

5540, 5545, & 5550

2.

Wiring

|

NOTES

Diagrams

WARMING

CABINETS

2-8

5540, 5545, & 5550

WARMING

3.

Trouble

CABINETS

Analysis

DIAGNOSTIC

Unit Circuit

UnitiDoos

Unit +5V, “OH”

Temperature

“OH” Temperature'Display

HEATER/FAN

SECTION

FLOW

Does'Not

Breaker

Not

At

+12V

Warning

OPERATIONALCHECKS

CHARTS

Turn

Trips

NobHeat

Proper

Power

Indicated

Display

Indicated

Temperature . ..,.............

Supply

3.

TROUBLE

..........

On

..........,.........

ee

Check

In

Actual

ls

In

Set-point

e.)

................

sad.

e

..............

ANALYSIS

κ ο ενος

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a

e e

laa

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it!

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e

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9

ὃν ο o

3-10

3-2 3-3

3-5

3-6 3-7

3-8

3-9

ANALYSIS

TROUBLE

3.

SECTION

350265

3-1

5540, 5545,

3.

Trouble

TROUBLE

&

5550

WARMING

Analysis

ANALYSIS

CABINETS

DIAGNOSTIC

FLOW

ELECTRICAL

of

control Power

should sonnel

the

trouble

CHARTS

box

activated.

be

and

SHOCK

analysis

components

This

conducted

extreme

with

HAZARD.

requires

with

trouble

qualified

by

caution.

Some

access

main

the

analysis

per-

to

3-2

=

350265

C

UNIT

DOES

NOT

Unit

turn

TURN

.does

"ON"

ON

not

5540,

5545, & 5550

WARMING

3.

Trouble

CABINETS

Analysis

Main

disconnect

“ON”?

Yes

Circuit

où"

Yes

Is

DS14

PCB

Yes

Are

Jumpers

to

3А4/-2

3A4J-5

in

place

Yes

4

|

Breaker

ON

?

on

し

ON

3A4J—1

to

3A4J-6

on

|

?

&

PCB?

No

—

fm

No

№

>

Turn

Circuit

Breaker

eck/a

Circuit

Jumper

main

"ON?

Good

EN

disconnect

Check/adjust

Turn

OFF—ON

Install

“ON”

"ON

e

Breaker

to

reset.

P

Su

—

er

Note

Good

——

Ja

>>>

refer

"Circuit

>

Check

B

о

to

Breaker

Replace

Power

is

connected

Analysis

Trips”

Supply

that

Plug

PCB

e

for

P1

on

Is

EPROM

installed

U12

hi

ibbon

in

Jack

Replace

Does

Yes

Cable

Yes

unit

properly

in

socket

on

PCB?

|

은

p

installed

J2 on

|

EPROM

turn

x

PCB?

"aw

"ON"?

No

-}—————_B>

No

—2

No

install

ROM

Connect

M

Remove

connector

po

Place

42-1

Does

Replace

|

Ribbon

jumper

unit

Yes

switch

Cabl

ribbon

from

between

&

J2-

turn

|

Switch

SES

J2;

“ON”?

Panel

늘

.

Replace

PCB

men

5540, 5545, & 5550

3.

Trouble

Analysis

ARMING

W

CABINETS

CIRCUIT

BREAKER

TRIPS

Trips

temperature

No

during

Does

heat-up

chamber

"OH"?

Circuit

trips

display

Breaker

when

is

cold

Yes

unit

Check

circuit

Circuit

Trips

immediately

for

short

or

defective

Breaker

——B»

Repair

or

replace

Circuit

short

Breaker

Check

Shutdown

Temperature

operating

Yes

replace

and

Thermostat

2A10T

or

Sensor

Are

Fan(s)

properly?

No Yes

Replace

EPROM

Replace

Fan(s)

or

PCB

Is

PCB

DS10

on

"ON"?

No

Replace

State

2A1SSR

Heaters)

(to

Solid

Relay

35026532

3-4

350265

UNIT

DOES

NOT

HEAT

Unit

heat

19

0910,

on

PCB

Yes

does

not

up

ost | №

"ON"?

Place

5540,

5545, & 5550

ls

Door

Switch | №

engaged?

Yes

jumper

J6—1 & ὁ6--4.

Is

DS10,

PCB

Yes

between|

DS11

"ON"?

on

re

No

WARMING

3.

Trouble

CABINETS

Analysis

a

Is

Input

power

Relay

applied

Solid

2A1SSR?

Yes

Y

Replace

State Relay

Solid

2A1SSR

State

No

Current Zero

to

Check

are

defective

Is

current

to

good?

that

secure.

Check

Heater

Current | Current Low

Good

Heaters

Replace

Heaters

wiring

Check

/replace

Door Switch

©

or

wiring

Check

circulation

not

that

blocked

is

ai

35026533

350265

5540, 5545, & 5550

3.

Trouble

UNIT

NOT

Analysis

AT

PROPER

WARMING

TEMPERATURE

Calibrate

&

per

CABINETS

Check

Display

No

Power

temperature

specified

chamber

temperature

with

temperature

indicated

Supply

control

procedures

temperature

sensor & compare

display.

to

be

within

Yes

Unit

near

+2°

C

OK

Temperature

specifications

Replace

Sensor

temperature

No

Temperature

&

re—check

within

Yes

Unit

OK

35026534

3-6

350265

5540,

5545, & 5550

WARMING

3.

Trouble

CABINETS

Analysis

C

+5V,

+12V

Good

POWER

Check

"Unit

SUPPLY

Trouble

does

CHECK

Less

than

Analysis

not turn

Still

Low

+5V

ON”

+12V

+5V

supply

5.00V+0.01V

calibration

Check

士

+12V

1V

not

at

per

procedure

=

+5V

supply

Not 12V

Greater

at +1V

than

Re—calibrate

specified

+5V

procedure

Unable Calibrate

per

to

Good

4,

Good

350265

Turn

Circuit

to

reset

Re-calibrate

specified

Check

replace

Suppy

off

Breaker

OVP

Still Low

procedure

Still Low

wiring

Power

if

required

per

&

Power

Supply

good

Replace

Power

Supply

Replace

Power

Supply

35026535

3-7

5540, 5545, & 5550

3.

Trouble

“OH”

WARNING

TEMPERATURE

Analysis-

INDICATED

DISPLAY

WARMING

"OH"

indicated

temperature

Has

temperature

been

CABINETS

IN

ACTUAL

WARNING

chamber

decreased?

No

in

actual

display

set

Yes

Wait

for

temperature

to

stabilize

Relay

Is

Power

Yes

Is

DS10

“is

+5V,

+12V

Supply

good?

у

on

"ON"?

No

Solid

State

2A1SSR

No

PCB

"ON"?

No

Yes

Adjust

State

Power

Replace

EPROM

Replace

Relay

or

replace

Supply

or

PCB

Solid

2A1SSR

38

Check

Replace

Temperature

wiring.

the

Sensor

35026536

350265

€

_

“OH”

WARNING

TEMPERATURE

INDICATED

DISPLAY

"OH"

indicated

set—point

temperature

Is a installed

JA6PS

Yes

WARNING

jumper

between

&

3A6P6?

IN

in

display

wire

SET-POINT

No

Turn

Off,

turn

Circuit

install

Circuit

On

5540,

Breaker

wire,

Breaker

5545,

€:

5550

WARMING

3.

Trouble Analysis

CABINETS

Replace

EPROM

or

PCB

350265

35026537

3-9

5540, 5545, & 5550

3.

Trouble

Analysis

WARMING

CABINETS

HEATER/FAN

n

Check

button

and

close

Using

the

tons,

select a temperature

the

chamber.

DS11

and

(PCB)

should

on;

and

Open

the

out

(off).

Close

the

Check

a.

Using a digital age

should

120

b.

Check amprobe

door

mately

or 0.1

OPERATIONAL

that

the

circuit

in

the

lower

the

door.

set-temperature

DS12

on

the

be

lit.

DS11

DS12

indicates

chamber

the

fan’s

door.

electrical

voltmeter

across

or

closed,

be

OVAC

240VAC

the

current

on

0.2

amps

2A2TB10

2A1F

the

on a 240VAC

CHECKS

breaker

left

corner

up

that

display

indicates

that

the

DS11

supply

(DVM),

and

with

the

with

the

door

through

and

2AF2.

amperage

on a 120VAC

is

ON.

Press

of

the

control

and

down

requires

printed

that

heaters

and

DS12

circuit:

check

2A2SSR4.

door

open,

closed.

2A2SSR4

With

should

electrical

the

panel

arrow heat-up

circuit

board

the

fans

are

on.

should

the

Voltage

and

either

by

placing

the

cabinet

be

approxi-

supply

supply.

ON

but-

of

are

go

volt-

Check

a.

b.

the

Using a DVM,

2A2TB10

VAC

with

VAC

with

Check

amprobe cabinet

8.5

amps

heater

the

on a 240VAC

and

the

current

on

door

ona

2A4HTR

electrical

2A1SSR2.

door

closed,

120VAC

supply

check

open,

closed.

through

and

the

electrical

circuit.

the

voltage

Voltage

and

either

2A1SSR2

2A3HTR.

amperage

supply.

should

120

by

With

should

supply

across

be

0

or

240

placing

the

be

or

4.25

3-10

350265

5540, 5545, & 5550

4.

Calibrations

WARMING

and

CABINETS

Adjustments

SECTION

POWER

TEMPERATURE CHART

DOORADIUSTMENIT

SUPPLY

RECORDER

4.

CALIBRATIONS

VOLTAGE

CONTROL

CALIBRATION

O

CALIBRATION

.................

AND

ADJUSTMENTS

.............

NN

4-2

4-2 4-3 4-4

.

ADJUSTMENTS

AND

350265

CALIBRATIONS

4.

SECTION

4-1

Castle 5540, 5545, 5550 Service manual

Specifications and Main Features

Frequently Asked Questions

User Manual