DEC RM05 Manuel utilisateur

EK-ORM05-FG-OOl

RM05 Fault

Isolation

Guide

Prepared

Educational Services

Digital Equipment Corporation

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

may appear

this manual.

Printed in U.S.A.

• Class A Computing Devices:

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

The equipment has been type tested and found to comply with the limits

fc)r

Class Acomputing device pursuant to Subpart J of Part 15 of FCC Rules, which

are designed to provide reasonable protection against such radio frequency in-

terference when operated

a commercial environment. Operation

this equip-

ment

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

own expense may be required to take measures to correct the interference.

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

chusetts:

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

RMSS

FAULT

ISOLATION

GUIDE

SCOPE

This

document

intended

supplement

the

existing

RM05

documentation

providing

additional

trou~leshooting

information.

Problems

are

listed

by symptom and

solution

which

should

encompass

the

majority

all

RMSS

calls.

problem

cannot

satisfactorily

resolved

through

the

use

this

manual,

the

FSE

urged

request

additional

support.

The

RMOS

has

VDE

and

NON-VDE

version.

The

fference

between

the

two

will

called

out

this

guide

where

appl,icable.

Many

specific

error

symptoms

can

pinpointed

module(s)

component

(s)

• The

most

obvious

and known

combinations

have

been

listed

this

documant.

This

course

not

say

all

possibilities

have

been

included.

The

overall

accuracy

t.his

document

will

dependent

inputs

from

the

field.

This

document

intended

used

conjunc-

tion

with

the

RM05

Field

Maintenance

Set.

RM95

FAULT

ISOLATION GUIDE

CONTENTS

1.0

PRELIMINARY ACTION

1.1

REQUIRED

EQUIPMENT

1.2

GETTING

STARTED

1.3

THINGS

AWARE

1.3.1

1.3.2

1.3.3

1.3.4

1.3.5

File

Corruption

Bad

Packs

Environmental

Problems

Bus

Power

Supplies

2.0

TROUBLE-SHOOTING AIDS

ERROR

LOG

2.2

SITE

MANAGEMENT

GUIDE/LARS

REPORTS

2.3

CUSTOMER

DISK

PACK

USAGE

LOG

2.4

LINE DIAGNOSTICS

2.5

11/70

DIAGNOSTICS

2.5.1

CERHA

RH70

2.5.2

CZRML

Formatter

2.5.3

CZRMM,

N, 0

Functional

Test

Part

2.5.4

CZRMP,

Diskless

Diagnostic

Part

1 &

2.5.5

CZRMR,

Dual

Port

Logic

Test

Part.

1 & 2

2.5.6

CZRMT

Compatibility

2.5.7

CZRMU

Performance

Exerciser

2.5.8

CZRMV

Extended

Drive

Test

2.6

3.9

POWER

3.1

RMes

FAULT

ISOLATION GUIDE

CONTENTS

(CONT)

VAX

DIAGNOSTICS

2.6.1

EVRAA

Reliability

2.6.2

EVRAC

Disk

Formatter

2.6.3

EVRDA

RMeX

Diskless

2.6.4

EVRDB

RM0X

Functional

AND

MOTOR

SEQUENCE

POWER

PROBLEMS

3.1.1

CB1

Trips

3.1.2

CB2

Trips

3.1.3

CB3

Trips

3.1.3.1

3.1.3.2

3.1.3.3

3.1.4

CB4

Trips

When

CB1

Turned

Immediately

After

Start

Switch

Pressed

Shortly

After

Motor

Turns

With

Squealing

Noise

Shortly

After

Motor

Turns

3.1.5

CBS

CB6

Trips

3.1.6

CB7

Trips

3.1.7

CB8

Trips

3.1.8

All

Voltages

Missing

Test

Points

and

+29Y

3.1.9

+28V,

-29V,

+29V,

-9.7V,

+9.7V

Are

Either

All

High

Low

3.1.19

-46V,

+46V,

And

-16V

Are

All

ther

High

Low

3.1.11

-46V,

+46V And

-16V

Are

Missing

3.1.12

Ripple

Too

High

For

Just

One

Voltage

111

RMes

FAULT

ISOLATION GUIDE

CONTENTS

(CONT)

3.2

DRIVE

MOTOR

Motor

Starts

When

CBl

Turned

3.2.2

'Motor

Does

Not

Turn

When

Start

Switch

Pressed

3.2.3

3.2.2.1

+20v

missing

A1Q2,

AIQ3,

A1Q4,

and

9.7V

3.2.2.2

+20V

missing

A1Q2,

AIQ3,

A1Q4,

and

9.7V

missing

3.2.2.3

+20V

A1Q2, A1Q3,

A1Q4,

and

208+

VAC

3.2.2.4

+20V

3 Of A1Q2,

AlQ3,

AIQ4

but

208+

VAC

missing

Motor

Overheats

and

Thermal

Cutout

Activates

POWER

AND

MOTOR~

SEQUENCE

VDE

DRIVES

3.4

POWER

PROBLEMS

3.4.1

3.4.2

3.4.3

3.4.4

3.4.5

3.4.6

3.4.7

3.4.B

CBl

Trips

CB2

Trips

CB3

Trips

CB4

Trips

CBS

Trips

Short

+20Y

Distribution

When

CBl

Turned

Immediatley

After

Start

Switch

Turned

Shortly

After

Motor

Starts

Turning;

Also

Squealing

Noise

Heard

Shortly

After

Motor

Starts

Turing

CB6

CB7

Trips

CBB

Trips

All

Voltages

Missing

and

+20Y

3.4.9

3.4.19

3.4.11

3.4.12

RM95

FAULT

ISOLATION

GUIDE

CONTENTS

(CONT)

+28v,

+29v,

-20v,

-9.7v,

+9.7v

Are

Either

All

High

Low

-46v,

and

+46v

Are

Both

High

Low

-46v

and

+46v

Missing

Ripple

too

High

for

Just

one

Voltage

3.5

DRIVE

MOTOR

PROBLEMS

3.5.1

Drive

Motor

Starts

When

CB1

Turned

3.5.2

Drive

Motor

Does

not

Turn

When

St.art

Switch

Pressed

3.5.2.1

+29Y

Missing

but

9.7v

3.5.2.2

+29Y

but

9.7v

Missing

3.5.2.3

+20Y

and

208

VACC

3.5.2.4

Motor

Overheats

and Terma1

Cutout

Activates

4.8

HEAD

LOAD

SEQUENCE

PROBLEMS

HEADS

NOT

LOAD

AFTER

SPEED

TIME

OUT

AND

REVERSE

CURRENT

4.2

HEADS

NOT

LOAD

AFTER

SPEED

TIME

OUT

BUT

HOLD

REVERSE

CURRENT

4.3

CARRIAGE

HITS

FORWARD

STOP,

CB4

TRIPS,

FAULT

LIGHT

ON,

AND

HEADS

STAY

OUT

PACK

4.4

CARRIAGE

HITS

FORWARD

STOP,

FAULT

LIGHT

ON,

CB4

TRIPS

AND

HEl~DS

RETRACT

4.5

HEADS

LOAD,

HESITATES

AND

THEN

CREEPS

FORWARD

EOT

(INNER

GUARD

BAND)

4.6

HEADS

:LOAD,

BUT

UNLOAD,

FAULT

LIGHT

4.7

RTZ

NON

FUNCTIONAL

4.8

UNABLE

SEEK

PRIME

CYLINDERS;

-512

4.9

UNABLE

SEEK

1466

(8)

4.19

UNABLE

FORCE

SEEK

ERROR

WITH

FTU

CYL

1467

(8)

RM"S

FAULT

ISOLATION GUIDE

CONTENTS

(CONT)

4.11

HEADS

NOT

UNLOAD

WHEN

START

SWITCH

~TURNED

OFF,

START

LIGHT

OFF,

PACK

SPINNING

4.12

DRIVE

MOTOR

BRAKE

INOPERATIVE

PCMER

AND

POWER

FAIL

PROBLEMS

5.1

MASSFAIL

5.2

UNSAFE

5.3

ADAPTER

6.9

ERROR

BITS

CONTROL,

STATUS

AND

ERROR

REGISTERS

6.1

CONTROL

176700

6.1.1

MCPE

Bit

6.1.2

TRE

Bit

6.1.3

Bit

6.2

STATUS

176710

6.2.1

MOPE

Bit

6.2.2

MXF

Bit

6.2.3

PGE

Bit

6.2.4

NEM

Bit

6.2.5

NED

Bit

6.2.6

PE,

UPE

Bit

6.2.7

weE

Bit

6.2.8

DLT

Bit

6.3

ERROR

176714

6.3.1

ILF

Bit

6.3.2

ILR

Bit

6.3.3

RMR

Bit

6.3.4

PAR

Bit

6.3.5

FER

Bit

MIS

FAULT

ISOLATION GUIDE

CONTENTS

(CONT)

6.3.6

WCF

Bit

6.3.7

ECH

Bit

6.3.8

HCE

Bit

6.3.9

HCRC

Bit

6.3.10

AOE

Bit

6.3.11

IAE

Bit

6.3.12

WLE

Bit

6.3.13

DTE

Bit

6.3.14

OPI

Bit

6.3.15

UNS

Bit

6.3.16

OCR

Bit

6.4

ERROR

176740

6.4.1

DPE

Bit

6.4.2

DVC

Bit

6.4.3

LBC

Bit

6.4.4

LSC

Bit

6.4.5

IVC

Bit

6.4.6

OPE

Bit

6.4.7

SKI

Bit

6.4.8

BSE

Bit

7.8

ERROR

BOOTSTRAP

PROBLEMS

n.e

COMPATIBILITY

8.1

PROBLEM

DEFINITION

8.2

CAUSES

8.3

ERROR

SYMPTOMS

vii

RMI5

FAULT

ISOLATION GUIDE

CONTENTS

(CONT)

9.9

DATA

BASE

CORRUPTION

11.1

DRIVE

NOT

READY

DRIVE

HANGS

11.9

DUAL

PORT

PROBLEMS

12.0

PACK

ERRORS

13.9

UNEXPECTED

ATTENTIONS

14.9

ADJUSTMENTS

15.9

FLOW

DIAGRAMS/TEST POINTS

viii

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