Lenovo ThinkStation P3 Tiny Owner's manual

P3 Tiny
Hardware Maintenance Manual

First Edition (May 2023)
© Copyright Lenovo 2023.
LIMITED AND RESTRICTED RIGHTS NOTICE: If data r s ftware is delivered pursuant t a General Services
Administrati n “GSA” c ntract, use, repr ducti n, r discl sure is subject t restricti ns set f rth in C ntract N . GS-
35F-05925.

Contents
Chapter 1. Important safety
information. . . . . . . . . . . . . . . . 1
General safety . . . . . . . . . . . . . . . . 1
Electrical safety . . . . . . . . . . . . . . . . 2
Safety inspecti n guide. . . . . . . . . . . . . 3
Handling electr static discharge-sensitive
devices . . . . . . . . . . . . . . . . . . . 4
Gr unding requirements . . . . . . . . . . . . 4
Safety n tices (multi-lingual translati ns) . . . . . . 4
Chapter 2. Important servi e
information. . . . . . . . . . . . . . . 27
Strategy f r replacing FRUs . . . . . . . . . . 27
Strategy f r replacing a hard disk drive r a
s lid-state drive . . . . . . . . . . . . . 27
Imp rtant n tice f r replacing a system
b ard . . . . . . . . . . . . . . . . . 27
H w t use err r c des . . . . . . . . . . 28
Strategy f r replacing FRUs f r CTO, special-bid,
and standard m dels. . . . . . . . . . . . . 28
Pr duct definiti n . . . . . . . . . . . . 28
FRU identificati n . . . . . . . . . . . . 28
Chapter 3. Produ t overview . . . . . 29
Fr nt . . . . . . . . . . . . . . . . . . . 29
Rear . . . . . . . . . . . . . . . . . . . 29
Chapter 4. Servi e he kout and
symptom-to-FRU index . . . . . . . . 31
Service check ut . . . . . . . . . . . . . . 31
Pr blem determinati n tips . . . . . . . . 31
Sympt m-t -FRU index . . . . . . . . . . . 32
Hard disk drive b t err r . . . . . . . . . 32
P wer supply pr blems . . . . . . . . . . 33
Beep sympt ms . . . . . . . . . . . . . 33
POST err r c des . . . . . . . . . . . . 34
Miscellane us err r c nditi ns . . . . . . . 35
Undetermined pr blems . . . . . . . . . 37
Rec ver fr m a BIOS update failure . . . . . 37
Clear CMOS . . . . . . . . . . . . . . 38
Chapter 5. RAID . . . . . . . . . . . . 39
What is RAID . . . . . . . . . . . . . . . . 39
RAID Level. . . . . . . . . . . . . . . . . 39
C nfigure the system BIOS t enable St rage
RAID functi nality . . . . . . . . . . . . . . 39
C nfigure RAID in UEFI m de . . . . . . . . . 39
Chapter 6. Diagnosti s . . . . . . . . 41
Basic pr cedure f r res lving c mputer
pr blems . . . . . . . . . . . . . . . . . 41
UEFI diagn stic pr gram . . . . . . . . . . . 41
Len v diagn stic t ls . . . . . . . . . . . 42
Use the Vantage app. . . . . . . . . . . . . 42
Self-help res urces . . . . . . . . . . . . . 42
Chapter 7. Hardware removal and
installation . . . . . . . . . . . . . . . 45
Handling static-sensitive devices . . . . . . . . 45
Service t l kit . . . . . . . . . . . . . . . 45
Maj r FRUs and CRUs . . . . . . . . . . . . 46
System b ard . . . . . . . . . . . . . . . 49
Rem ving and installing hardware . . . . . . . 50
P wer adapter and p wer c rd . . . . . . . 50
VESA m unt bracket . . . . . . . . . . . 51
Vertical stand . . . . . . . . . . . . . . 51
External Wi-Fi antenna . . . . . . . . . . 52
T p c ver . . . . . . . . . . . . . . . 53
I/O bracket . . . . . . . . . . . . . . . 54
Internal speaker . . . . . . . . . . . . . 55
System fan . . . . . . . . . . . . . . . 56
Heat sink . . . . . . . . . . . . . . . 57
PCIe card and PCIe c nverter . . . . . . . 58
Thunderb lt 4 card m dule . . . . . . . . 62
B tt m c ver . . . . . . . . . . . . . . 64
M.2 s lid-state drive . . . . . . . . . . . 65
Mem ry m dule . . . . . . . . . . . . . 66
Wi-Fi card and Wi-Fi card shield . . . . . . 68
Rear Wi-Fi antenna cable . . . . . . . . . 68
Fr nt Wi-Fi antenna . . . . . . . . . . . 69
Antenna bracket. . . . . . . . . . . . . 70
PCH heat sink. . . . . . . . . . . . . . 70
Micr pr cess r . . . . . . . . . . . . . 71
System b ard. . . . . . . . . . . . . . 72
Chapter 8. Noti es and
trademarks. . . . . . . . . . . . . . . 75
© C pyright Len v 2023 i

About this manual
This manual pr vides service and reference inf rmati n f r ThinkStati n® c mputers listed n the fr nt
c ver.
Illustrati ns in this manual might l k different fr m y ur pr duct.
Use this manual al ng with the advanced diagn stic tests t tr ublesh t pr blems.
Important: This manual is intended nly f r trained service technicians wh are familiar with ThinkStati n
c mputers. Use this manual al ng with the advanced diagn stic tests t tr ublesh t pr blems effectively.
Bef re servicing a ThinkStati n c mputer, be sure t read and understand Chapter 1 “Imp rtant safety
inf rmati n” n page 1.

Chapter 1. Important safety information
General safety
F ll w these rules t ensure general safety:
• Observe g d h usekeeping in the area f the machines during and after maintenance.
• When lifting any heavy bject:
1. Ensure y u can stand safely with ut slipping.
2. Distribute the weight f the bject equally between y ur feet.
3. Use a sl w lifting f rce. Never m ve suddenly r twist when y u attempt t lift.
4. Lift by standing r by pushing up with y ur leg muscles; this acti n rem ves the strain fr m the
muscles in y ur back.
Attention: D n t attempt t lift any bjects that weigh m re than 16 kg (35 lb) r bjects that y u
think are t heavy f r y u.
• D n t perf rm any acti n that causes hazards t the cust mer, r that makes the equipment unsafe.
• Bef re y u start the machine, ensure that ther service representatives and the cust mer's pers nnel are
n t in a hazard us p siti n.
• Place rem ved c vers and ther parts in a safe place, away fr m all pers nnel, while y u are servicing the
machine.
• Keep y ur t l case away fr m walk areas s that ther pe ple will n t trip ver it.
• D n t wear l se cl thing that can be trapped in the m ving parts f a machine. Ensure that y ur sleeves
are fastened r r lled up ab ve y ur elb ws. If y ur hair is l ng, fasten it.
• Insert the ends f y ur necktie r scarf inside cl thing r fasten it with a n nc nductive clip, appr ximately
8 centimeters (3 inches) fr m the end.
• D n t wear jewelry, chains, metal-frame eyeglasses, r metal fasteners f r y ur cl thing.
Remember: Metal bjects are g d electrical c nduct rs.
• Wear safety glasses when y u are: hammering, drilling, s ldering, cutting wire, attaching springs, using
s lvents, r w rking in any ther c nditi ns that might be hazard us t y ur eyes.
• After service, reinstall all safety shields, guards, labels, and gr und wires. Replace any safety device that
is w rn r defective.
• Reinstall all c vers c rrectly bef re returning the machine t the cust mer.
CAUTION:
Keep fingers and other parts of your body away from hazardous, moving parts. If you suffer an injury,
seek medi al are immediately.
CAUTION:
Avoid onta t with hot omponents inside the omputer. During operation, some omponents
be ome hot enough to burn the skin. Before you open the omputer over, turn off the omputer,
dis onne t power, and wait approximately 10 minutes for the omponents to ool.
© C pyright Len v 2023 1

Ele tri al safety
CAUTION:
Ele tri al urrent from power, telephone, and ommuni ation ables an be hazardous. To avoid
personal injury or equipment damage, dis onne t the atta hed power ords, tele ommuni ation
systems, networks, and modems before you open the omputer overs, unless instru ted otherwise
in the installation and onfiguration pro edures.
Observe the f ll wing rules when w rking n electrical equipment.
Important: Use nly appr ved t ls and test equipment. S me hand t ls have handles c vered with a s ft
material that d es n t insulate y u when w rking with live electrical currents. Many cust mers have, near
their equipment, rubber fl r mats that c ntain small c nductive fibers t decrease electr static discharges.
D n t use this type f mat t pr tect y urself fr m electrical sh ck.
• Find the r m emergency p wer- ff (EPO) switch, disc nnecting switch, r electrical utlet. If an electrical
accident ccurs, y u can then perate the switch r unplug the p wer c rd quickly.
• D n t w rk al ne under hazard us c nditi ns r near equipment that has hazard us v ltages.
• Disc nnect all p wer bef re:
– Perf rming a mechanical inspecti n
– W rking near p wer supplies
– Rem ving r installing Field Replaceable Units (FRUs)
• Bef re y u start t w rk n the machine, unplug the p wer c rd. If y u cann t unplug it, ask the cust mer
t p wer- ff the wall b x that supplies p wer t the machine and t l ck the wall b x in the ff p siti n.
• If y u need t w rk n a machine that has exp sed electrical circuits, bserve the f ll wing precauti ns:
– Ensure that an ther pers n, familiar with the p wer- ff c ntr ls, is near y u.
Remember: An ther pers n must be there t switch ff the p wer, if necessary.
– Use nly ne hand when w rking with p wered- n electrical equipment; keep the ther hand in y ur
p cket r behind y ur back.
Remember: There must be a c mplete circuit t cause electrical sh ck. By bserving the ab ve rule,
y u may prevent a current fr m passing thr ugh y ur b dy.
– When using a tester, set the c ntr ls c rrectly and use the appr ved pr be leads and access ries f r
that tester.
– Stand n suitable rubber mats ( btained l cally, if necessary) t insulate y u fr m gr unds such as
metal fl r strips and machine frames.
Observe the special safety precauti ns when y u w rk with very high v ltages; these instructi ns are in
the safety secti ns f maintenance inf rmati n. Use extreme care when measuring high v ltages.
• Regularly inspect and maintain y ur electrical hand t ls f r safe perati nal c nditi n.
• D n t use w rn r br ken t ls and testers.
• Never assume that p wer has been disc nnected fr m a circuit. First, check that it has been p wered- ff.
• Always l k carefully f r p ssible hazards in y ur w rk area. Examples f these hazards are m ist fl rs,
n ngr unded p wer extensi n cables, p wer surges, and missing safety gr unds.
• D n t t uch live electrical circuits with the reflective surface f a plastic dental mirr r. The surface is
c nductive; such t uching can cause pers nal injury and machine damage.
• D n t service the f ll wing parts with the p wer n when they are rem ved fr m their n rmal perating
places in a machine:
2P3 Tiny Hardware Maintenance Manual

– P wer supply units
– Pumps
– Bl wers and fans
– M t r generat rs
and similar units. (This practice ensures c rrect gr unding f the units.)
• If an electrical accident ccurs:
– Use cauti n; d n t bec me a victim y urself.
– Switch ff p wer.
– Send an ther pers n t get medical aid.
Safety inspe tion guide
The intent f this inspecti n guide is t assist y u in identifying p tentially unsafe c nditi ns n these
pr ducts. Each machine, as it was designed and built, had required safety items installed t pr tect users
and service pers nnel fr m injury. This guide addresses nly th se items. H wever, g d judgment sh uld
be used t identify p tential safety hazards due t attachment f features r pti ns n t c vered by this
inspecti n guide.
If any unsafe c nditi ns are present, y u must determine h w seri us the apparent hazard c uld be and
whether y u can c ntinue with ut first c rrecting the pr blem.
C nsider these c nditi ns and the safety hazards they present:
• Electrical hazards, especially primary p wer (primary v ltage n the frame can cause seri us r fatal
electrical sh ck).
• Expl sive hazards, such as a damaged CRT face r bulging capacit r
• Mechanical hazards, such as l se r missing hardware
The guide c nsists f a series f steps presented in a checklist. Begin the checks with the p wer ff, and the
p wer c rd disc nnected.
Checklist:
1. Check exteri r c vers f r damage (l se, br ken, r sharp edges).
2. P wer- ff the c mputer. Disc nnect the p wer c rd.
3. Check the p wer c rd f r:
a. A third-wire gr und c nnect r in g d c nditi n. Use a meter t measure third-wire gr und
c ntinuity f r 0.1 hm r less between the external gr und pin and frame gr und.
b. The p wer c rd sh uld be the appr priate type as specified in the parts listings.
c. Insulati n must n t be frayed r w rn.
4. Rem ve the c ver.
5. Check f r any bvi us alterati ns. Use g d judgment as t the safety f any alterati ns.
6. Check inside the unit f r any bvi us unsafe c nditi ns, such as metal filings, c ntaminati n, water r
ther liquids, r signs f fire r sm ke damage.
7. Check f r w rn, frayed, r pinched cables.
8. Check that the p wer-supply c ver fasteners (screws r rivets) have n t been rem ved r tampered
with.
Chapter 1.Imp rtant safety inf rmati n 3

Handling ele trostati dis harge-sensitive devi es
Any c mputer part c ntaining transist rs r integrated circuits (ICs) sh uld be c nsidered sensitive t
electr static discharge (ESD). ESD damage can ccur when there is a difference in charge between bjects.
Pr tect against ESD damage by equalizing the charge s that the machine, the part, the w rk mat, and the
pers n handling the part are all at the same charge.
Notes:
1. Use pr duct-specific ESD pr cedures when they exceed the requirements n ted here.
2. Make sure that the ESD pr tective devices y u use have been certified (ISO 9000) as fully effective.
When handling ESD-sensitive parts:
• Keep the parts in pr tective packages until they are inserted int the pr duct.
• Av id c ntact with ther pe ple while handling the part.
• Wear a gr unded wrist strap against y ur skin t eliminate static n y ur b dy.
• Prevent the part fr m t uching y ur cl thing. M st cl thing is insulative and retains a charge even when
y u are wearing a wrist strap.
• Use the black side f a gr unded w rk mat t pr vide a static-free w rk surface. The mat is especially
useful when handling ESD-sensitive devices.
• Select a gr unding system, such as th se listed bel w, t pr vide pr tecti n that meets the specific
service requirement.
Note: The use f a gr unding system is desirable but n t required t pr tect against ESD damage.
– Attach the ESD gr und clip t any frame gr und, gr und braid, r green-wire gr und.
– Use an ESD c mm n gr und r reference p int when w rking n a d uble-insulated r battery-
perated system. Y u can use c ax r c nnect r- utside shells n these systems.
– Use the r und gr und-pr ng f the ac plug n ac- perated c mputers.
Grounding requirements
Electrical gr unding f the c mputer is required f r perat r safety and c rrect system functi n. Pr per
gr unding f the electrical utlet can be verified by a certified electrician.
Safety noti es (multi-lingual translations)
The cauti n and danger safety n tices in this secti n are pr vided in the f ll wing languages:
• English
• Arabic
• Brazilian/P rtuguese
• Chinese (simplified)
• Chinese (traditi nal)
• French
• German
• Hebrew
• Italian
• K rean
4P3 Tiny Hardware Maintenance Manual

• Spanish
DANGER
Electrical current fr m p wer, teleph ne and c mmunicati n cables is hazard us.
To avoid a sho k hazard:
• Do not onne t or dis onne t any ables or perform installation, maintenan e, or re onfiguration
of this produ t during an ele tri al storm.
• Conne t all power ords to a properly wired and grounded ele tri al outlet.
• Conne t to properly wired outlets any equipment that will be atta hed to this produ t.
• When possible, use one hand only to onne t or dis onne t signal ables.
• Never turn on any equipment when there is eviden e of fire, water, or stru tural damage.
• Dis onne t the atta hed power ords, tele ommuni ations systems, networks, and modems
before you open the devi e overs, unless instru ted otherwise in the installation and onfiguration
pro edures.
• Conne t and dis onne t ables as des ribed in the following tables when installing, moving, or
opening overs on this produ t or atta hed devi es.
To Conne t To Dis onne t
1. Turn everything OFF.
2. First, attach all cables t devices.
3. Attach signal cables t c nnect rs.
4. Attach p wer c rds t utlet.
5. Turn device ON.
1. Turn everything OFF.
2. First, rem ve p wer c rds fr m utlet.
3. Rem ve signal cables fr m c nnect rs.
4. Rem ve all cables fr m devices.
CAUTION:
When repla ing the lithium battery, use only Part Number 45C1566 or an equivalent type battery
re ommended by the manufa turer. If your system has a module ontaining a lithium battery, repla e
it only with the same module type made by the same manufa turer. The battery ontains lithium and
an explode if not properly used, handled, or disposed of. Do not:
• Throw or immerse into water
• Heat to more than 100°C (212°F)
• Repair or disassemble
Dispose of the battery as required by lo al ordinan es or regulations.
CAUTION:
Chapter 1.Imp rtant safety inf rmati n 5

When laser produ ts (su h as CD-ROMs, DVD-ROM drives, fiber opti devi es, or transmitters) are
installed, note the following:
• Do not remove the overs. Removing the overs of the laser produ t ould result in exposure to
hazardous laser radiation. There are no servi eable parts inside the devi e.
• Use of ontrols or adjustments or performan e of pro edures other than those spe ified herein
might result in hazardous radiation exposure.
DANGER
Some laser produ ts ontain an embedded Class 3A or Class 3B laser diode. Note the following:
Laser radiation when open. Do not stare into the beam, do not view dire tly with opti al
instruments, and avoid dire t exposure to the beam.
≥18 kg (37 lb) ≥32 kg (70.5 lb) ≥55 kg (121.2 lb)
CAUTION:
Use safe pra ti es when lifting.
CAUTION:
The power ontrol button on the devi e and the power swit h on the power supply do not turn off the
ele tri al urrent supplied to the devi e. The devi e also might have more than one power ord. To
remove all ele tri al urrent from the devi e, ensure that all power ords are dis onne ted from the
power sour e.
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Chapter 1.Imp rtant safety inf rmati n 7

≥18 kg (37 lb) ≥32 kg (70.5 lb) ≥55 kg (121.2 lb)
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PERIGO
A c rrente elétrica pr veniente de cab s de alimentaçã , de telef ne e de c municações é perig sa.
Para evitar risc de ch que elétric :
• Nã c necte nem desc necte nenhum cab u execute instalaçã , manutençã u rec nfiguraçã deste
pr dut durante uma tempestade c m rai s.
• C necte t d s s cab s de alimentaçã a t madas elétricas c rretamente instaladas e aterradas.
• T d equipament que f r c nectad a este pr dut deve ser c nectad a t madas c rretamente
instaladas.
• Quand p ssível, utilize apenas uma das mã s para c nectar u desc nectar cab s de sinal.
• Nunca ligue nenhum equipament quand h uver evidência de f g , água u dan s estruturais.
• Antes de abrir tampas de disp sitiv s, desc necte cab s de alimentaçã , sistemas de telec municaçã ,
redes e m dems c nectad s, a men s que especificad de maneira diferente n s pr cediment s de
instalaçã e c nfiguraçã .
• C necte e desc necte s cab s c nf rme descrit na tabela apresentada a seguir a instalar, m ver u
abrir tampas deste pr dut u de disp sitiv s c nectad s.
Para Cone tar: Para Des one tar:
1. DESLIGUE Tud .
2. Primeiramente, c necte t d s s cab s a s
disp sitiv s.
3. C necte s cab s de sinal a s c nect res.
4. C necte s cab s de alimentaçã às t madas.
5. LIGUE s disp sitiv s.
1. DESLIGUE Tud .
2. Primeiramente, rem va s cab s de alimentaçã das
t madas.
3. Rem va s cab s de sinal d s c nect res.
4. Rem va t d s s cab s d s disp sitiv s.
CUIDADO:
Ao substituir a bateria de lítio, utilize apenas uma bateria om Número de Peça 45C1566 ou um tipo de
bateria equivalente re omendado pelo Se o seu sistema possui um módulo om uma bateria de lítio,
substitua-o apenas por um módulo do mesmo tipo e do mesmo fabri ante. A bateria ontém lítio e
pode explodir se não for utilizada, manuseada ou des artada de maneira orreta.
Nã :
• J gue u c l que na água
• Aqueça a mais de 100°C (212°F)
• C nserte nem desm nte
Descarte a bateria c nf rme requerid pelas leis u regulament s l cais.
Chapter 1.Imp rtant safety inf rmati n 9

PRECAUCIÓN:
Quand pr dut s a laser (c m unidades de CD-ROMs, unidades de DVD-ROM, disp sitiv s de fibra ótica
u transmiss res) estiverem instalad s, bserve seguinte:
• Nã rem va as tampas. A rem çã das tampas de um pr dut a laser p de resultar em exp siçã
prejudicial à radiaçã de laser. Nã existem peças que p dem ser c nsertadas n interi r d disp sitiv .
• A utilizaçã de c ntr les u ajustes u a execuçã de pr cediment s diferentes d s especificad s aqui
p de resultar em exp siçã prejudicial à radiaçã .
PERIGO
Alguns pr dut s a laser c ntêm di d de laser integrad da Classe 3A u da Classe 3B. Observe seguinte:
Radiaçã a laser quand abert . Nã lhe diretamente para feixe a lh nu u c m instrument s óptic s e
evite exp siçã direta a feixe.
≥18 kg (37 lb) ≥32 kg (70.5 lb) ≥55 kg (121.2 lb)
CUIDADO:
Utilize pr cediment s de segurança para levantar equipament s.
CUIDADO:
O b tã de c ntr le de alimentaçã d disp sitiv e b tã para ligar/desligar da f nte de alimentaçã nã
desligam a c rrente elétrica f rnecida a disp sitiv . O disp sitiv também p de ter mais de um cab de
alimentaçã . Para rem ver t da a c rrente elétrica d disp sitiv , assegure que t d s s cab s de
alimentaçã estejam desc nectad s da f nte de alimentaçã .
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Chapter 1.Imp rtant safety inf rmati n 11

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Chapter 1.Imp rtant safety inf rmati n 13

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DANGER
Le c urant électrique pr venant de l'alimentati n, du téléph ne et des câbles de transmissi n peut présenter
un danger.
P ur éviter t ut risque de ch c électrique :
• Ne manipulez aucun câble et n'effectuez aucune pérati n d'installati n, d'entretien u de rec nfigurati n
de ce pr duit au c urs d'un rage.
• Branchez t us les c rd ns d'alimentati n sur un s cle de prise de c urant c rrectement câblé et mis à la
terre.
• Branchez sur des s cles de prise de c urant c rrectement câblés t ut équipement c nnecté à ce pr duit.
• L rsque cela est p ssible, n'utilisez qu'une seule main p ur c nnecter u déc nnecter les câbles
d'interface.
• Ne mettez jamais un équipement s us tensi n en cas d'incendie u d'in ndati n, u en présence de
d mmages matériels.
• Avant de retirer les carters de l'unité, mettez celle-ci h rs tensi n et déc nnectez ses c rd ns
d'alimentati n, ainsi que les câbles qui la relient aux réseaux, aux systèmes de téléc mmunicati n et aux
m dems (sauf instructi n c ntraire menti nnée dans les pr cédures d'installati n et de c nfigurati n).
• L rsque v us installez, que v us déplacez, u que v us manipulez le présent pr duit u des
périphériques qui lui s nt racc rdés, rep rtez-v us aux instructi ns ci-dess us p ur c nnecter et
déc nnecter les différents c rd ns.
14 P3 Tiny Hardware Maintenance Manual

Connexion Dé onnexion
1. Mettez les unités HORS TENSION.
2. C mmencez par brancher t us les c rd ns sur les
unités.
3. Branchez les câbles d'interface sur des
c nnecteurs.
4. Branchez les c rd ns d'alimentati n sur des prises.
5. Mettez les unités SOUS TENSION.
1. Mettez les unités HORS TENSION.
2. Débranchez les c rd ns d'alimentati n des prises.
3. Débranchez les câbles d'interface des c nnecteurs.
4. Débranchez t us les câbles des unités.
ATTENTION:
Rempla er la pile au lithium usagée par une pile de référen e identique ex lusivement, (référen e
45C1566), ou suivre les instru tions du fabri ant qui en définit les équivalen es. Si votre système est
doté d'un module ontenant une pile au lithium, vous devez le rempla er uniquement par un module
identique, produit par le même fabri ant. La pile ontient du lithium et peut exploser en as de
mauvaise utilisation, de mauvaise manipulation ou de mise au rebut inappropriée.
Ne pas :
• la jeter à l'eau,
• l'exposer à des températures supérieures à 100°C,
• her her à la réparer ou à la démonter.
Ne pas mettre la pile à la poubelle. Pour la mise au rebut, se reporter à la réglementation en vigueur.
ATTENTION:
Si des produits à laser (tels que des unités de CD-ROM, de DVD-ROM, des unités à fibres optiques, ou
des émetteurs) sont installés, prenez onnaissan e des informations suivantes :
• Ne retirez pas le arter. En ouvrant l'unité de CD-ROM ou de DVD-ROM, vous vous exposez au
rayonnement dangereux du laser. Au une piè e de l'unité n'est réparable.
• Pour éviter tout risque d'exposition au rayon laser, respe tez les onsignes de réglage et
d'utilisation des ommandes, ainsi que les pro édures dé rites dans le présent manuel.
DANGER
Certains produits à laser ontiennent une diode à laser intégrée de lasse 3A ou 3B. Prenez
onnaissan e des informations suivantes:
Rayonnement laser lorsque le arter est ouvert. Evitez toute expositiondire te au rayon laser. Evitez
de regarder fixement le fais eau ou del'observer à l'aide d'instruments optiques.
Chapter 1.Imp rtant safety inf rmati n 15

≥18 kg (37 lb) ≥32 kg (70.5 lb) ≥55 kg (121.2 lb)
ATTENTION:
Soulevez la ma hine ave pré aution.
ATTENTION:
L'interrupteur de ontrôle d'alimentation de l'unité et l'interrupteur dublo d'alimentation ne oupent
pas le ourant éle trique alimentantl'unité. En outre, le système peut être équipé de plusieurs
ordonsd'alimentation. Pour mettre l'unité hors tension, vous devez dé onne tertous les ordons de
la sour e d'alimentation.
1
2
VORSICHT
An Netz-, Telef n- und Datenleitungen können gefährliche Spannungen anliegen.
Aus Si herheitsgründen:
• Bei Gewitter an diesem Gerät keine Kabel ans hließen oder lösen. Ferner keine Installations-,
Wartungs- oder Rekonfigurationsarbeiten dur hführen.
• Gerät nur an eine S hutzkontaktste kdose mit ordnungsgemäß geerdetem S hutzkontakt
ans hließen.
• Alle anges hlossenen Geräte ebenfalls an S hutzkontaktste kdosen mit ordnungsgemäß
geerdetem S hutzkontakt ans hließen.
• Die Signalkabel na h Mögli hkeit einhändig ans hließen oder lösen, um einen Stroms hlag dur h
Berühren von Oberflä hen mit unters hiedli hem elektris hem Potenzial zu vermeiden.
16 P3 Tiny Hardware Maintenance Manual