DEC RM05 User Manual

EK-ORM05-FG-OOl

RM05 Fault

Isolation

Guide

Prepared

Digital Equipment Corporation

by

Educational Services

of

All

Rights Reserved

The material in this manual is for informational purposes and is subject to change without notice.

Digital Equipment Corporation assumes no responsibility for any errors which

in

may appear

this manual.

Printed in

U.S.A.

• Class A Computing Devices: Notice:

The equipment has been type tested and found to comply with the Class A computing device pursuant to Subpart J of Part 15 of FCC Rules, which

are designed to provide reasonable protection against such radio frequency

terference when operated

ment own expense may

The chusetts:

This equipment generates, uses, and may emit radio frequency energy.

limits

fc)r

in-

in

a commercial environment. Operation

in

a residential area may cause interference in which case the user at his

of

this equip-

be required to take measures to correct the interference.

following are trademarks of Digital Equipment Corporation, Maynard, Massa-

DEC DECUS DIGITAL Digital Logo PDP UNIBUS VAX

DECnet DECsystem-10 DECSYSTEM-20

DECwriter DIBOL

EduSystem

lAS MASSBUS

OMNIBUS OS/8 PDT RSTS RSX VMS

VT

a

SCOPE

RMSS

FAULT

ISOLATION

GUIDE

This

document documentation information.

which problem this

The between

should

cannot

manual,

RMOS

the

has appl,icable. Many

or have say accuracy the tion

specific

component

been

all

listed

possibilities

of

field.

with

the

is

intended

by

Problems

encompass

be

satisfactorily

the

FSE

a

VDE

two

will

error

(s)

• The in

t.his

This

document

RM05

Field

providing

are

the

is

urged

and

NON-VDE

be

symptoms

most

this

documant.

have

is

Maintenance

to

supplement

additional

listed

majority

to

request

called

can

be

obvious

been

will

be

intended

the

by symptom and

of

all

RMSS

resolved

through

additional

version.

out

in

this

pinpointed

and known

This

of

included.

dependent

to

be

Print

Set.

existing

trou~leshooting

RM05

solution

calls.

the

use

If

a

of

support.

The

to

di

fference

guide

a

module(s)

where

combinations

course

on

used

is

The

inputs

in

not

overall

from

conjunc-

to

i

RM95

FAULT

CONTENTS

ISOLATION GUIDE

1.0

2.0

PRELIMINARY ACTION

1.1

1.2

1.3

REQUIRED

GETTING

THINGS

1.3.1

1.3.2

1.3.3

1.3.4

1.3.5

EQUIPMENT

STARTED

TO

BE

AWARE File Bad

Corruption

Packs

Environmental

Bus

Loading

Power

Supplies

TROUBLE-SHOOTING AIDS

2.

1

2.2

2.3

ERROR SITE

CUSTOMER

LOG

MANAGEMENT

DISK

PACK

OF

Problems

GUIDE/LARS

USAGE

LOG

REPORTS

2.4

2.5

ON

LINE DIAGNOSTICS

11/70

2.5.1

2.5.2

2.5.3

2.5.4

2.5.5

2.5.6

2.5.7

2.5.8

DIAGNOSTICS

CERHA CZRML CZRMM, CZRMP, CZRMR, CZRMT CZRMU CZRMV

N, Q

S

RH70 Formatter

Functional

0

Diskless Dual

Compatibility

Performance Extended

Port

Test

Diagnostic

Logic

Exerciser

Drive

Test

Part

Test

l,

Part

Part.

2,

1 &

1 & 2

&

3 2

11

RMes

FAULT

ISOLATION GUIDE

3.9

2.6

POWER

3.1

VAX

DIAGNOSTICS

2.6.1

2.6.2

2.6.3

2.6.4

ON

AND

POWER

3.1.1

3.1.2

3.1.3

EVRAA EVRAC EVRDA EVRDB

MOTOR

ON

PROBLEMS

CB1 CB2 CB3

3.1.3.1

3.1.3.2

CONTENTS

SEQUENCE

Trips Trips Trips

When

Immediately Pressed

(CONT)

Reliability Disk RMeX

RM0X

Formatter

Diskless Functional

CB1

Turned

After

On

Start

Switch

Is

3.1.4

3.1.5

3.1.6

3.1.7

3.1.8

3.1.9

3.1.19

3.1.11

3.1.12

3.1.3.3

CB4 CBS CB7 CB8 All

+29Y

+28V,

High

-46V, Low

-46V,

Ripple

Trips Or

CB6 Trips Trips DC

Voltages

-29V,

OR

Low

+46V,

+46V And

Too

Shortly Squealing

Shortly

Trips

Missing

+29V,

And

-16V

High

For

After

-9.7V,

-16V

Are Just

Noise

Are

Motor

At

Test

+9.7V

All

Missing

One

Voltage

Turns

Points

Are

Ei

ther

With

and

Either

High

A

No

All

Or

111

RMes

FAULT

ISOLATION GUIDE

3.2

3.

3

DRIVE

3.2.2

3.2.3 POWER

MOTOR

Motor

'Motor

Pressed

3.2.2.1

3.2.2.2

3.2.2.3

3.2.2.4

Motor

ON

AND

CONTENTS

Starts

Does

+20v

A1Q4,

+20V

A1Q4,

+20V

A1Q4,

+20V

but

Overheats

MOTOR~

SEQUENCE

(CONT)

When

Not

missing

OK

208+

Turn

and

CBl

9.7V

at

208+

at

VAC

Thermal VDE

Is

Turned

When

at

is

OK

at

is

missing

3

VAC

3 Of A1Q2,

is

missing

Cutout

DRIVES

Start

3

of

is

On

Switch

of

A1Q2,

of

A1Q2,

A1Q2, A1Q3,

OK

at

AlQ3,

at

Activates

Is

AIQ3,

2

AIQ4

2

3.4

POWER

3.4.1

3.4.2

3.4.3

3.4.4

3.4.5

3.4.6

ON

PROBLEMS CBl CB2

CB3 CB4

CBS CB6

Trips Trips

Trips

Trips or

CB7

Short

When

In

CBl

Immediatley Turned

Shortly

Also Shortly

On

After

a

Squealing

After

Trips

+20Y

is

Turned

Distribution

On

After

Motor

Noise

Motor

Start

Starts

is

Switch

Turning;

Heard

Turing

is

3.4.7

3.4.B

CBB All

Trips

DC

Voltages

Iv

Missing

and

no

+20Y

RM95

FAULT

ISOLATION

GUIDE

3.5

3.4.9

3.4.19

3.4.11

3.4.12 DRIVE

3.5.1

3.5.2

+28v, High

-46v,

-46v Ripple

MOTOR

Drive

Pressed

3.5.2.1

3.5.2.2

3.5.2.3

3.5.2.4

CONTENTS

+29v,

or

Low

and

+46v

and

+46v

too

High

PROBLEMS

Motor Motor

Starts

Does

+29Y +29Y +20Y

Motor

Activates

(CONT)

-20v,

Are

Missing

for

Missing

is

-9.7v,

Both

Just

When

not

CB1

Turn

but

OK OK

and

Overheats

+9.7v

High

one

or

Voltage

Is

When

9.7v

9.7v 208

is

VACC

and Terma1

Are

Low

Turned St.art

OK

is

Missing

is

Either

On

Switch

Ok

Cutout

All

is

4.8

HEAD

4.

1

4.2

4.3

4.4

4.5

4.6

4.7

4.8

4.9

LOAD

SEQUENCE

HEADS REVERSE

HEADS

DO

REVERSE CARRIAGE

AND

HEADS

CARRIAGE AND

HEl~DS

HEADS

(INNER

HEADS

RTZ

:LOAD,

IS UNABLE UNABLE

DO

NOT

CURRENT

NOT

CURRENT

HITS

STAY

HITS

RETRACT

LOAD,

GUARD

NON

FUNCTIONAL

TO

SEEK

TO

SEEK

PROBLEMS

LOAD

AFTER

IS

AFTER

OK

FORWARD

OUT

ON

FORWARD

HESITATES

BAND)

BUT

UNLOAD,

TO

PRIME

TO

1466

UP

TO

UP

TO

STOP,

CB4

PACK

STOP,

AND

FAULT

THEN

FAULT

CYLINDERS;

(8)

SPEED

TRIPS,

CREEPS

LIGHT

TIME

LIGHT

ON

1,

2,

OUT

FAULT

ON,

TO

FORWARD

4,

AND

BUT

LIGHT

CB4

- 512

NO

HOLD

ON,

TRIPS

EOT

4.19

UNABLE

TO

FORCE A SEEK

v

ERROR

WITH

FTU

TO

CYL

1467

(8)

RM"S

FAULT

ISOLATION GUIDE

5

..

6.9

9

4.11

4.12 PCMER

5.1

5.2

5.3

ERROR

6.1

HEADS START

DRIVE

AND

DO

LIGHT

MOTOR

POWER

NOT

IS

BRAKE

FAIL

UNLOAD

MASSFAIL AC

LO -UNSAFE

DC

LO -RM

BITS -CONTROL,

CONTROL

6.1.1

6.1.2

6.1.3

ADAPTER

REGISTER MCPE

TRE

SC

Bit

CONTENTS

WHEN

OFF,

PROBLEMS

STATUS

Bit

PACK

IS

INOPERATIVE

176700

13

14

15

(CONT)

START

SPINNING

AND

ERROR

SWITCH

REGISTERS

IS

~TURNED

OFF,

6.2

6.3

STATUS

6.2.1

6.2.2

6.2.3

6.2.4

6.2.5

6.2.6

6.2.7

6.2.8

ERROR

6.3.1

6.3.2

6.3.3

REGISTER

MOPE

MXF

PGE NEM NED PE,

UPE

weE

DLT

REGISTER

ILF ILR

RMR

176710

Bit

Bit Bit Bit

Bit

1

Bit Bit

Bit

08 09 10

11 12

Bit

13 14 15 176714

"0

01

92

6.3.4

6.3.5

PAR

FER

Bit

"3 04

vi

MIS

FAULT

ISOLATION GUIDE

6.4

6.3.6

6.3.7

6.3.8

6.3.9

6.3.10

6.3.11

6.3.12

6.3.13

6.3.14

6.3.15

6.3.16 ERROR

CONTENTS

WCF

ECH HCE HCRC

AOE

IAE

WLE DTE

OPI UNS

OCR

REGISTER 2

Bit Bit Bit

Bit

Bit Bit Bit Bit Bit Bit

(CONT) 05 06 07

08

09 10

11 12 13 14 15 176740

7.8

n.e

6.4.1

6.4.2

6.4.3

6.4.4

6.4.5

6.4.6

6.4.7

6.4.8

ERROR COMPATIBILITY

8.1

8.2

8.3

BOOTSTRAP

PROBLEM CAUSES ERROR

SYMPTOMS

DPE DVC

LBC LSC IVC OPE SKI BSE

DEFINITION

Bit Bit Bit Bit

Bit

Bit Bit Bit

PROBLEMS

03 07 10 11 12 13 14 15

vii

RMI5

FAULT

ISOLATION GUIDE

9.9

11.1

11.9

12.0

13.9

14.9

15.9

DATA DRIVE DUAL PACK

BASE

PORT

CORRUPTION

NOT

READY PROBLEMS

ERRORS

UNEXPECTED

ADJUSTMENTS

FLOW

DIAGRAMS/TEST POINTS

CONTENTS

OR

DRIVE

ATTENTIONS

(CONT)

HANGS

viii

1.0

PRELIMINARY

ACTION

1.1 The

RM05

REQUIRED

following

in

minimum

1.

Spares

a. b.

c.

d.

2.

3.

4.

5.

6.

Scratch

CE

Field Maintenance Manuals a.

b. c. d.

EQUIPMENT

equipment

time:

Ki

ts

Spares

Spares MBA

RHXX

Kit

Controller

Spares

Pack

Test

30-17108-00

Unit

Print

(on

micro

RM05 -Service

RM05 -User's

BK7BIE/F

Technical

Illustrated

should

11 12

29-23600 29-23601

Kit

30-17107-00

Set

fiche)

Manual

Guide

be

available

MP0175

and/or

- EK-RM05-SV

- EK-ORM05-UG

Description

Parts

Breakdown

Micro

Manual-

to

troubleshoot

fiche

-

an

reader.

ER-BK7B1-TM ER-BK7BI-IP

7.

8.

9.

10.

11.

Special a.

b. c.

Tools

15"

*2

"C"

Ring

Heavy

DVM

Oscilloscope

Field

Service

Diagnostics

-

other

Phillips

than

screwdriver

Removal/Replacement

Duty

Spring

Replacement

(calibrated)

-

Tool up

to

Kit

date.

with

in

Spares

dental

Tool

mirror

Kit

Set

(spring

,2

and

hook)

penlight.

1

1.2

GETTING

STARTED Customer Many

Inputs

problems comprehensive object was

of

really

the

procedures, each

is

poss

situation,

also

ible.

1.

2.

3.

4.

advisable

What How Can Can

scoping)

5.

Has recently?

6.

Did

troubleshooting customer you you

isolate

can

investigation

questions

a

hardware

or

software

but

to

are

the

often

the

problem

the

•

any

this

disk

problem

input,

actually

do,

use

and

be

asked

malfunction,

are

some

verify

apparent

does

the

problem

Section

fix

eliminated

of

will

at

fault.

of

the

major

the

answers

symptoms?

problem

be

demonstrated?

frequency

hardware

ever

occur

"tools"

you

should

a

problem

6

the

specific

at

the

symptoms.

be

to

or

The

points

occur?

be

before

described

be

able

in

of

this

malfunction.

this

stage

determine

if

the

pack,

questions

are

listed

you

get

(If

by

so,

increased?

or

software

the

change?

in

Section

to

determine

the

RM05

documentation

by

doing

Obviously,

whether

operational

will

vary

below.

other

do

means

itl)

(For

been

changed

Using

1.1

and whether

subsystem.

to

a

the

there

in It if

easier

the the

If

help

1.3

1.3.1 Frequently

loads

softwa

the

or re

console a.

b.

THINGS File

Corruption

the

runs

properly.

usuall

or

Is

this (both in

the

disk)

Is

this

and a check. AND

START

VAX

the

PROTECT

TO

BE

AWARE

disk

y

is

at

errorlog,

a

relatively

utilities

way bad

pack

read

Run

only

either

204,

Formatter

THE

DRIVEl

blamed

While

faul

check

have

blocks

any

exercise

"R"

OF

for

this

t.

If

the

new

disk

bugs

are

good?

A

may

the

Performance

COMMAND,

(EVRAC)

I I

2

a

file

can

be

no

device

following

created

that

can

handled,

block

pick

SWR

- 3

"Read

or

task

caused

er

rors

key

points:

by

cause

never

may

have

up a bad

Exerciser

for

a

All"

Command.

that

by

hardware,

are

Preserve

file

corruption

trust

just

header

(CZRMU)

11/70,

no

longer

the

shown on

or

DSC?

a

new

gone

or

bad

data

LOAD

or

for

WRITE

a

c.

Has If

the

device

affected

errors

software are

shown,

been

keep

changed

reading.

recently?

1.3.2 It

is suddenly the for

backup

it

may clean, will

image

1.3.3 This

Bad

amazing

giving

bad

area

pack

maintenance

pack.

happen

ask

show

up

that

Environmental

is

a electromagnetic frequent recently for

heavy shutdowns, forklifts have the

only

problems,

changed

idle

(the

caused

way

specialist.

Packs

how

many

errors.

is

(header,

Look

during

the

customer

on

Errorlog

is

bad.

broad

radiation.

and

equipment

time spark

problems.

to

be

inc1ud

for

the

Problems

field

so

verify

pay

on

etc.

coil),

sure

calls

The

result

symptoms

data,

ing

similarities

same

to

use

provided

that

attention

the

In

general

and

If

you

is

etc.).

bad

function

a

backup

it

covers

Power

same

have

to

consult

from

can

The

block

in

the

is

not

and the to

configuration

when

p~

keep

computer

reason

a

previously

vary

according

customer

mapping,

failure

and,

pack.

if

Obvious

Errorlog

temperature,

grounding

the

errors

(or

your

close

eyes

room

to

suspect

an

local

trusted

is

responsible

and

that

diagnostics

or

power

are

has

occur.

by),

open;

air

conditioners

environment,

environmental

to

keeping

indicate

bad

the

system

the

not

radios;

pack

where

a

run

areas

and most been

L60k

plant

1.3.4

A.C.

the

usually

major

(with

large

Bus

Unibus

intermi

clue

a

scope,

enough Troubleshooting loading

1.3.5

Check scope Also

for

Power

all

for

check

supplies

ripple

the

Loading

loading

and

thE~

ttent,

is

to

hopefully),

to

Guide

more

detail.

Supplies

connections.

look

on

can

fast

cause

for

the

cause

devices

and

at

a

(on

microfiche-red

voltage

supplies;

virtually

see

diagnostics

working

and

gate

look

transition.

with

a

See

table

any

error

it

first.

usually

bus

for

with

dropouts

section)

a

DVM

primecause

3-1.

on

The

don'

everything

See

if

available.

of

any

device

symptoms

t

fail.

running

in

the the

signals

Unibus

section

intermittents.

on

Then

on are The

AC

3

2.g

TROUBLESHOOTING

AIDS

2.1

This

is

ERROR

one

maintenance.

operating wIll.

Guide.

The

There

operation

Error

1.

2.

log

Was

What of semi-solid

system,

and

will

filter

day

LOG

of

the

If

you

the

procedure

should

printout

Be

certain

time

of you're terminated

available generator. errors

aid

in

there

out

is

common

environmental

most

valuable

don't

customer

should

be

a

of

the

that

the

using,

so

to Otherwise,

you

are

determining:

actually corrupted

between

hardware

know how

and

be

software

Error

NOTE

the

failure

and

that

the

looking

a

hardware

file

errors?

problems

problems.

and

least

to

DEC

entered

manual

Log.

error

is

error

current

errorlog

you

for.

type

used

run

it

software

in

on

file

on

the

logging

may

miss

error?

problems.

The

show

for

personnel

the

site

for

disk

file

report

bad

up

here,

tools

the

Site

deta:iling

the

is is

the

This

blocks

for

system

particular

probably

Management

helps

and

as

do

time

most

the

you

3.

4.

5.

2.2

Look Pa y

parts

from

SITE

up

spec

were

the

indicates maintenance alignments situations

How

often

is

that

What

was task fa

i 1

ure?

involved?

What pre

do

- d i a 9 exercise have

to

MANAGEMENT

the

disk

i a 1

at

changed.

customer.

a

on

against

indicating

did

you

the

or

function

the

nos

harder.

work

history

ten t ion

problem

the

will

system

see

error

'a

doing

occur?

diagnostic

always

Are

tic

error

there

symptoms

i n d i

cat

On

system

ion

intermi

with.

GUIDE/LARS REPORTS

in

to

Correlate

It

is

wh

not

the

a t

LARS

ad j us

this

unusual

starting

device.

the

customer's

unreadable

Also,

packs.

Tells

failure.

at

the

time?

happening

or

indicate?

0 f

wh

ttents,

reports

tme

n t s

to

the

to

find

immediately

check

disk

you

Is

at

the

other

dev

This

at

to

this

or

we

may

maintenance

r e mad e

information

that

after

information

pack

usage

how

one

time

1

00

the

gives

likely

particular

of

ice

k

be

er

for,

all

c:lnd

you

error

the

on

log

ror

you

log.

wh

have

last

head

it

the

s

a

0 r

you

i c h

log

in

4

2.3

CUSTOMER

DISK

PACK

USAGE

LOG

Customers and

bad

a

potential

and

identify

2.4 These

great

diagnostics

help release time

them

found

and

in

2.5 In

many tool. ind

Consequently

ividua1

diagnostics

Reliability, providing At

the

time

are:

should

blocks.

pack

bad

keep

This

information

problem.

blocks

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verifies

maximum

mounted

transfer

checks

detect

offset,

These

hardware.

be

used

four

in

the

positioning

test

the

pack

seek

fi

rst

and

test

Start

on

sections

Command

commands

addressability

logic.

and

r~eturn

throughly

rotational

times.

when

line.

and

tests

to

check

4.

Suggested the

Diskless

read/write

Manual

Intervention

interventions;

address

Use:

plugs,

Verifies

Diagnostic

and

seeks.

pack and

logic

and

Tests

acknowledge,

write

tests

not

lock

tested

basic

read

switch.

in

drive

Tests

in

the

all

preset,

RM

Adapter

functions

operator

with

such

as

14

3.0

POWER

ON

AND

MOTOR

SEQUENCE

NON-VDE

DRIVES

This

swi

section

tch success thorough all

areas

1.

2.

3.

concerns

is

pressed,

of

troubleshooting

and

careful

is

in

order

Check

all

and

visual

for

circuit

CB6, CB7, and CB8. Check

air

cleaning

If rep 1 ace

loaded

Check voltage supply of and

filter

the

60

50

adj

Table

for

and

air

th

e f i 1 t e r •

at

cylinder

Hz Hz -

the

RM

and

if

the

usting

3-1.

blower

at

also

pressure

.15

.10

Adapter

ripple

voltage

it

from

the

any

the

or or

back

the

dr

time

ive

motor

power on

observations.

power

breakers

motor

operation.

bottom

check

0.

less,

is

Air

and

the

low,

p.r

replace

drive

levels.

is

grossly

to

normal

CBl

problems

or

motor

-

CBl,

of

absolute

check

e s s

ute

power

Replace

level.

is

turned

comes up

is

A

general problems.

CB2, CB3, CB4,

Inspect

the

drive

filter

for

rea

din

gsa

filter.

supplies

any

adjustable

out

of

tolerance

on,

to

s·peed.

dependent

inspection

the

for

air

leaks

r e

See

para.

the

primary

need

pressure.

wit

h he

for

proper

instead

start

The

upon

of

CBS,

of

and/or

ads

power

14.0.

3.

1

3.1.1

3.1.2

3.1.2.1

3.1.3

POWER

CBl

Trips

AlQl, Blower Time

Meter AICl, YEN,

YFN

CRI-CR4

Tl,

T2

eBI

CB2

Trips

AlQl,

T3

CB2

Short

K6,

YFN,

CB3

Trips

ON

PR,OBLEMS

AIQ5

Motor

AIC2 -

AIQ5

In

+29Y

K7,

1<8

YEN

CAUTION:

Distribution

Capacitors

charged

15

3.1.3.1

When

CBl

AIQ2, AIQ3

Is

Turned

On

3.1.3.3

Immediately Parking

Motor

Shortly Noise

Belt

Tension Shortly Belt

Tension

Motor

CB4

Trips

Carriage Head Load

A17

Servo

Po K7 Voice

.22uf

Coil Capacitor

CB4

After

B-rake

After

Is

Heard

After

Lock

Switch

we r Amp

Assembly

Motor

Bad

at

TB6

The

Start

Starts

Or

Misadjusted

Pins

Switch

Turning

7 & B

Is

Turned

Also

On

a

Squealing

3.1.5

3.1.6

_3.1.7

CBS

OR

5

Volt Module Servo

YFN Control CBS

or

CB7

Trips

Module

A2

Backplane

CBB

Trips

E"1

A2

Backplane

CBB

CB6

Trips

Regulator

Preamp

Panel

CB6

A10, A14,

short

(CBS

AlS,

only)

A16,

A17,

AlB

16

~~.1.8

All

DC

Vol

CB2

Tripped

YEN A1Q1 CBS

or

CB6 T3 +20Y

may be

Paragraph

tages

-

See

Missing

para

bad -interlock

loaded

3.1.2.1

At

3.1.2

down

~rest

Points

contacts

but

CB2

is

and

No

not

+20Y

tripped

see

3.1.9

:3

.1.10

3.1.11

3.1.12

3.2

+28V, AC

-20V,

input

+20V,

A1C2 -CAUTION: T2

-46V,

AC

+46V

input

I~ND

A1C1 T1

-46V,

+46V,

AND

A1QS

YFN

-9.7V Ripple YEN

YFN DRIVE

missing

Too

for for

MOTOR

High

all

DC

just

PROBLEMS

-16V

-9.7V,

Capacitor

-16V

Are

-16V

For

Just

voltages

Are

+9.7V

charged

All

Ei

Missing

One

except

Are

ther

Voltage

-16V

Either

High

or

All

Low

High

or

Low

3.2.1

3.2.2

3.2.2.1

Drive

A08

YFN Start

Drive

+21Y

OJ(

YFN A08

Motor

Starts

Switch Motor Does

Missing

At

When

Not

CBl

Turn

3

17

Is

Turned

When

of

Start

AIQ2, AIQ3, AIQ4,

On

Switch

Is

Pressed

AND

9.7V

Is

3.2.2.2

+28Y

Missing

YEN

CBE

T2

OK

At

3

of

A1Q2,

A1Q3,

A1Q4,

and

9.

7V

Is

3".2.2.3

3.2.2.4

3.2.3

Measure

seeks. use

Ground

+28Y

At

K8

OK

Motor +29Y

OK

Missing AIQ2, AIQ3,

Motor

Overheats

AIQ4 Motor

while

the

Connect

T.P.

At

2

overheated

At

2

AIQ4

DRIVE

drive

meter

to

3

of

or

3

of

and

Thermal

POWER

is

performing

power

A1Q2,

A1Q3, A1Q4,

bad

A1Q2, A1Q3,

Cutout

TABLE

3-1

SUPPLY

supply

LEVELS

128

test

A1Q4,

Activates

cylinder

points

and

but

con

and

298+

208+

tin

be

VAC

sure

Is

VAC

U 0 U 5

OK

Is

to

Voltage

+46

-46 +9.7

-9.7 +20

-20

+28

The 5 volts cylinder at

the

backplane.

+5

-5

is

checked

seeks

but

A2JD94-94A A2JD94-01A

the

18

Tolerance

-2,

+5

+2,

-5

+/-

+/+/-

-/+

also

with

test

+/-

.95

+/-

.95

1 1

2

2 2

the

points

volts

128

are

RM

ADAPTER

VOLTAGE

LEVELS

Triacs

3.3 This

swi

section

tch

success

thorough

all

areas

01,

02, 03,

POWER

is

pressed

of

and

is

Voltage

Test

+5V

-15V TABLE

04,

05

out

of

Terminal

+

••

_>

3

+

4

1

4

ON

AND

concerns

troubl~:~shooting

careful in

order

.•

_>

--> ..

-->

11

and

4

3 2 1

or

MOTOR

from

the

visual

for

any

2 SEOUENCE

the

dr

power on

observations.

power

circuit

time

ive

Point

AA2

AB2

3-2

Reading

25

1

Infinity

VDE

CB1

motor

problems

or

motor

readirtgs.

Ohms

K

Ohms

DRIVES

is

turned

comes up

A

general problems.

Toleranc~

+4.9

-14.8

(Forward

to

bias)

(Reverse

on,

to

speed.

is

dependent

inspection

+5.2

-15.3

bias)

the

start

The

upon

of

1.

2.

3.

Check

all

CB6, CB7, Check

air

for

filter

cleaning

If

the

air

replace

heads

Check

loaded

6~

5~

the

Hz Hz

voltage supply of

adjusting

and

if

Table

and

t.hhe

-

RM

and

the 3-3.

circuit

CB8.

blower

at

also

pressure

filter.

at

.15

.1~

Adapter

ripple

voltage

it

break~rs

motor

the

bottom

check

is cylinger or

less,

or

less,

and

levels.

back

to

operation.

the

low,

Air

0.

replace replace

drive

is

grossly

normal

19

- CB1, CB2, CB3, CB4, CBS,

of

the

absolute

check

pressure

Inspect

drive

filter

for

readings

air

the

for

air

leaks

primary

need

pressure.

and/or

are

with

filter. filter.

power

Replace

out

level.

supplies

any

of

tolerance

adjustable

See

for

instead

paragraph

proper

power

14.0

of

3.4

POWER

ON

PROBLEMS

3.4.1

3.4.2

3.4.3

CBl

Trips

Blower Time

Motor

Meter

Cl -Caution:

FCFN

Module TI-T2 CBl

C82

Trips

Tl FeFN

Modules

CB2

Short

in

Kl CFNN

C83

Trips

Eel

A2

backplane

CB3

+28Y

short

Capacitor

Distribution

charged

3.4.4.3

3.4.4.4

When

Relay

CBl

box

Immediately

FCNN

CFNN

Module

Module Voice CB4

Shortly Noise

Belt

tension Shortly

Belt

tension

Motor/brake

Is

Coil

After

is

After

Turned

After

Assembly

Heard

Motor

assembly

On

Start

Motor

Starts

Switch

Turning

Is

Turned

Turning

On

Also

A

Squeal

ing

28

DEC RM05 User Manual

Specifications and Main Features

Frequently Asked Questions

User Manual