2021 AUDI A8 service

High-voltage system


LED on the charging unit Meaning

Off
Vehicle charging system is in sleep mode. A timer may be active,
but charging has not started yet.

Charging process is interrupted.

Pulsing The high-voltage battery is charging.

Green Flashing A timer is active, but charging has not started yet.

On High-voltage battery charging process is completed.

On
Yellow
When using the Audi charging system, make sure the power
plug is inserted in the power socket > page 140. No power sup-
ply was recognized even though the charging cable is plugged
in. Have the power supply or power supply system inspected.
When using the Audi charging system, check the status displays
on the unit > table on page 141. See an authorized Audi dealer
or authorized Audi Service Facility for assistance if necessary.

Flashing
The vehicle is not secured from rolling away. Check if “P” is se-
lected and the parking brake is set. If the LED continues to
flash, see an authorized Audi dealer or authorized Audi Service
Facility for assistance.

Red On

The charging connector may not be able to lock correctly in the
vehicle charging port. Check if the charging connector is insert-
ed correctly. Remove the charging connector and plug it in the
charging port again, or use a different charging station. If the
LED stays turned on, there is a malfunction either in the vehicle
charging system or at the power source. See an authorized Audi
dealer or authorized Audi Service Facility for assistance if neces-
sary.


The outside temperature is too low or too high.

@ Tips
The operation status indicated by the LED on
the charging unit are is displayed in the in-
strument cluster Es.
Setting the timer
Applies to: vehicles with plug-in hybrid drive
Introduction
Configuring the timer
> To set a timer, select > in the line for the de-
sired timer.
> If the timer should be set one time, select Indi-
vidual timer. If the timer should be set to re-
peat, select Repeat timer.
> Set a preferred charging time if desired, for ex-
ample to use off-peak power rates.
> To also activate the climate control with a tim-
er, select CD.

Use a timer to set at what departure time your
vehicle should be fully charged. A timer can ei-
ther be set one time or to repeat at the selected
times. You can also specify if your vehicle should
be heated or cooled to the temperature set in the
climate control system. You can turn on multiple
timers at the same time.
> Applies to: MMI: Select on the home screen:
VEHICLE > Charging & Efficiency > Charging.
136
> Select Next and follow the instructions in the
menu.
Switching on the timer and timer charging
The charging process will only follow the timer
settings if you have switched on the timer and
timer charging.
> To turn ona timer, select CD.

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High-voltage system

> To activate timer charging, select s= until Tim-
er charging mode is displayed.
If the set departure time on the timer is too
close, it may not be possible to charge the vehicle
fully.
@) Tips
It is not possible to charge using the timer at
some charging stations.
Applies to: vehicles with plug-in hybrid drive
In case of malfunction, you can manually release
the charging port door or the charging connec-
tor.

Fig. 101 Left side of luggage compartment: emergency re-
lease cover



Fig. 102 Left side of the luggage compartment: emergen-
cy release
Manually releasing the charging port door
> Open the luggage compartment lid.
» Remove the screwdriver from the vehicle tool
kit > page 317 and pry off the cover > fig. 101.
> Loosen the red loop @ © fig. 102 from the re-
tainer and then pull on the loop carefully >@.
> To open the charging port door, press on the
right side of the door > page 134, fig. 99.
> After releasing manually, secure the loop on
the retainer and close the cover.
> Drive to an authorized Audi dealer or author-
ized Audi Service Facility immediately to have
the malfunction corrected.
Manually releasing the charging connector
If you are not able to pull the charging connector
out of the vehicle charging port, there may bea
malfunction. You must use the emergency re-
lease to release the vehicle charging connector.
Requirement: the “P” gear must be selected and
the vehicle must be unlocked.
> End the charging process > page 135.
> Open the luggage compartment lid.
» Remove the screwdriver from the vehicle tool
kit > page 317 and pry off the cover > fig. 101.
> Carefully pull on the red loop @) > fig. 102
2©.
» Remove the charging connector.
> Close the emergency release cover.
> Drive to an authorized Audi dealer or author-
ized Audi Service Facility immediately to have
the malfunction corrected.
If the charging connector still cannot be removed
after using the emergency release, see an author-
ized Audi dealer or authorized Audi Service Facili-
ty for assistance.
(@) Note
Only pull on the loop until you feel resistance.
You will not hear it release. If you continue to
pull, you could damage the emergency re-
lease mechanism.
Messages
Applies to: vehicles with plug-in hybrid drive
If the & indicator light turns on, then the range
is low or very low. Charge the high-voltage bat-
tery.
B AC charging system: malfunction! Please
contact Service
This message appears if there is a malfunction in
the charging system. Drive to an authorized Audi >
137

High-voltage system

dealer or authorized Audi Service Facility immedi-
ately.
Incompatible charging system. Please check
charging system
This message appears when the charging system
is incompatible. Only charge using the Audi
charging system that is designed for your vehicle.
is Charging system: malfunction
This message appears if there is a malfunction in
the vehicle charging infrastructure or the charg-
ing station. Use a different charging station. If
this message does not turn off, contact an au-
thorized Audi dealer or authorized Audi Service
Facility.
Charging equipment
Introduction
Applies to: vehicles with plug-in hybrid drive
Depending on the vehicle equipment, the Audi e-
tron compact charging system may be available.
Using the charging equipment
Pay attention to the following information for
safe handling of the charging equipment:
— Secure the charging equipment against any
strain, such as being run over, falling, pulling,
bending, and crushing.
— Do not submerge the charging equipment in
water and do not cover it with snow or ice.
— When you remove the charging cable from the
vehicle and from the power supply, only pull at
the connectors and not at the cable.
— Put the cap on after using the charging cable.
— Only operate the Audi charging system ina
power supply system with a frequency of
50 Hz/60 Hz.
— Only operate or store the Audi charging system
at a humidity level between 5% and 95% (no
condensation).
— The Audi charging system is protected against
dust and splashing water (IP55 (USA: Enclosure
3).
Depending on the country, different warnings
may be on the charging equipment.
138

Symbol Meaning

Operate or store the Audi charging
system at a temperature range of
-22 °F (-30 °C) to +122 °F (+50 °C).

Operate or store the Audi charging
system at a temperature range of
“22 °F (30°C) to +122 °F (+50 °C).

Operate or store the Audi charging
system at a maximum elevation of
13,000 feet (4,000 m) above sea
level.

g 3
Operate or store the Audi charging
system at a maximum elevation of
16,400 feet (5,000 m) above sea
level.

The Audi charging system is not


equipped with a connected ground
conductor.
The Audi charging system is equip-
LW ped with a connected ground con-
ductor.


&
Do not operate the Audi charging
system in power networks that are
not grounded (such as IT networks).
Only operate the Audi charging sys-
tem in grounded power networks.


Surfaces can become very hot when
in direct sunlight.


Incorrect use increases the risk of
electric shock.


Pay attention to the applicable own-
er's manual, particularly the safety
precautions.

Pay attention to all applicable dis-
posal regulations when disposing.

kx
Berl
pep

Do not use any extensions cords or
cable reels.

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High-voltage system


Meaning

Do not use any travel adapters.

Do not use any power strips.

, Do not use any charging cables with
oo, damage to the electronics or the
connecting wires.

Operate the Audi charging system

in single-phase power supplies.

Grounding instructions
Audi charging systems must be grounded. If it
should malfunction or break down, grounding
provides a path of least resistance for electric
current to reduce the risk of electric shock. Audi
charging systems are equipped with a cord hav-
ing an equipment grounding conductor anda
grounding plug. The plug must be plugged into
an appropriate outlet that is properly installed
and grounded in accordance with all local codes
and ordinances.

Z\ WARNING
Improper connection of the equipment-
grounding conductor is able to result in a risk
of electric shock. Check with a qualified elec-
trician or serviceman if you are in doubt as to
whether the product is properly grounded. Do
not modify the plug provided with the product
— if it will not fit the outlet, have a proper out-

let installed by a qualified electrician.
Applies to: vehicles with plug-in hybrid drive




Fig. 103 Luggage compartment: storage compartment
Always store the charging equipment securely
before transporting.
> Open the luggage compartment lid > page 48.
> Open the storage compartment in the luggage
compartment > fig. 103.
>» Stow the charging equipment in the storage
compartment.
> Close the storage compartment and the lug-
gage compartment lid.

ZA WARNING
If the charging equipment is not secured or
positioned correctly, it can slide out of place
and endanger vehicle occupants when brak-
ing, when changing directions, or in a colli-
sion.
— Only transport charging equipment in the
transport bag in the luggage compartment
and never unsecured or in the passenger
compartment.
@) Note
Always lift or carry the Audi charging system
as one unit and never by the cables.


139

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High-voltage system

Control unit: status and malfunction indicators


Indicator lights Meaning Solution
O Green The charger is ready to charge, | Starting the charging process
but is not charging. => page 134. CQ Off
O & Off
O 0 Off
9 Off
© Flashing green | The vehicle is being charged
O QO Off with the ground conductor
O B oft monitor activated.
O 6 off
9 Off
© Flashing green | The power cable has overheat- | After the cable cools down, the malfunc-
© a Yellow ed. Possible cause of the mal- | tion will be automatically cleared. Until it
O B oft function: a multi-phase socket | cools down, charging performance will be
O 6 of is being used in single-phase | reduced. If the malfunction continues,
mode. The charging perform- | have the power supply/household con-
© Off ance will be reduced. nection checked by a qualified electrician.
®) Flashing green |The control unit has overheat- | After the control unit cools down, the
O QA Off ed. The charging performance | malfunction will be automatically
will be reduced. cleared. Never leave the control panel in
O & Off P
@ 0 vel direct sunlight for long periods or time.
enow Until it cools down, charging performance
© Off will be reduced. If the malfunction con-
tinues, have the control unit checked by
an authorized Audi dealer or authorized
Audi Service Facility.
@ Yellow The charger is connected to
O O Off the vehicle. The high-voltage
O B oft battery is charged and the
charging process has ended
O 0 off successfully, or the vehicle is
© Off not requesting a charging pro-
cedure.
O Red The power cable has overheat- | After the cable cools down, the malfunc-
© Q Yellow ed. The charging process has __| tion will be automatically cleared and the
O B oft been interrupted. charging process will resume. If the mal-
O 6 of function continues, have the control unit
6 checked by an authorized Audi dealer or
Off

authorized Audi Service Facility, or have
the power supply/household connection
checked by a qualified electrician.

141

High-voltage system


Indicator lights Meaning Solution



O Red The control unit has overheat- | After the control unit cools down, the
O A Off ed. The charging process has_ | malfunction will be automatically cleared
O @ oft been interrupted. and the charging process will resume.
Never leave the control panel in direct
© 0 Yellow sunlight for long periods or time. If the
9 Off malfunction continues, have the control
unit checked by an authorized Audi dealer
or authorized Audi Service Facility.
oO Red The charging infrastructure of | After the power supply/household con-
© Flashing yellow |the power supply/household | nection stabilizes, the malfunction will be
O @ oft connection is restricted. Possi- | automatically cleared and the charging
O 6 of ble cause of the malfunction: | process will resume. If the malfunction
low voltage or poor power fre- | continues, have the power supply/house-
9 Off quency. The charging process _ | hold connection checked by a qualified
has been interrupted. electrician.
O Red There is a malfunction inthe | After the vehicle charging system stabiliz-
O QO Off vehicle charging system. The | es, the malfunction will be automatically
© B Flashing yellow charging process has been in- | cleared and the charging process will re-
O 6 off terrupted. sume. If the malfunction continues, have
the vehicle checked by an authorized Audi
9° Off dealer or authorized Audi Service Facility.
O Red The power cable or vehicle ca- | Have the power or vehicle cable replaced
O QO Off ble is faulty. Possible cause of | by an authorized Audi dealer or author-
O 2 oft the malfunction: the coding ized Audi Service Facility.
. resistance of the power or ve-
© 0) Flashing yellow hicle cable is not compatible.
o Off The charging process has been
interrupted.
O Red There is a malfunction in the | End the charging process at the vehicle
O O Off vehicle charging system. The | and remove the vehicle cable from the ve-
@ 2 Red charging process has been in- |hicle charging port. Disconnect the charg-
O 0 oft terrupted. er from the power supply and reconnect it
after 60 seconds. Restart the charging
© Off process > page 134. If the malfunction
continues, have the vehicle checked by an
authorized Audi dealer or authorized Audi
Service Facility.
oO Red There is an overvoltage inthe | Disconnect the charger from the power
® 4 Flashing red charging infrastructure of the |supply and reconnect it after 60 seconds.
O 2B oft power supply/household con- | If the malfunction continues, have the
O 6 off nection. The charging process | power supply/household connection
© wi has been interrupted. checked by a qualified electrician.

142

4N0012721BF
High-voltage system


Indicator lights Meaning Solution



© Red The control unit has atechni- | Disconnect the charger from the power
O A Off cal malfunction. The charging | supply and reconnect it after 60 seconds.
O @B oft process has been interrupted. |If the malfunction continues, have the
@ 30 Red control unit checked by an authorized
Audi dealer or authorized Audi Service Fa-
© Off cility.
© Red The control unit has a techni- | Disconnect the charger from the power
O QO Off cal malfunction (self-test supply and reconnect it after 60 seconds.
O B oft failed). The charging process | If the malfunction continues, have the
. has been interrupted. control unit checked by an authorized
@ 0 Flashing red Audi dealer or authorized Audi Service Fa-
9 Off cility.
© Red The charging infrastructure of | Have the control unit checked by an au-
@ QC Red the power supply/household | thorized Audi dealer or authorized Audi
@ Bre connection is insufficient: the | Service Facility, and have the power sup-
O 0 of ground conductor is interrupt- | ply/household connection checked by a
ed or not present. The ground | qualified electrician. Do not use the pow-
© Off conductor monitor has inter- | er supply/household connector until the
rupted the charging process. | malfunction is corrected.
© Red The indicator light in the reset | Have the control unit replaced by an au-
@ X Red button on the control unit is | thorized Audi dealer or authorized Audi
@ & Red faulty. The charging process _| Service Facility.
@ 6 Red has been interrupted.
9 Off
O Red The control unit has detected | Press and hold the © button for at least
@ X Red residual current. The charging | two seconds. If the malfunction contin-
@ 2 Red process has been interrupted. | ues, have the control unit checked by an
@ 6 Red authorized Audi dealer or authorized Audi
Service Facility, and have the power sup-
9 Flashing red ply/household connection checked by a
qualified electrician.
O Red The charging infrastructure is | Disconnect the charger from the power
© 1 Flashing red wired incorrectly. The charging | supply. Have the power supply/household
© @ Flashing red process has been interrupted. | connection checked by a qualified electri-
© {) Flashing red can.
9 Off
O Red The control unit has atechni- | Disconnect the charger from the power
@ A Red cal malfunction. Possible supply and reconnect it after 60 seconds.
@ Bred cause of the malfunction: soft- | If the malfunction continues, have the
@ & Red ware error or the load relay control unit checked by an authorized
© Red has been switched incorrectly. | Audi dealer or authorized Audi Service Fa-

The charging process has been
interrupted.

cility, and have the power supply/house-
hold connection checked by a qualified
electrician.

143

High-voltage system




Indicator lights Meaning Solution
@ Flashing red The control unit has a serious | Have the control unit replaced by an au-
O Q Off malfunction. The charging thorized Audi dealer or authorized Audi
O @ oft process has been interrupted. | Service Facility.
@ § Red
9 Off
O Off The indicator light in the Have the control unit replaced by an au-
@ X Red On/Off button on the control | thorized Audi dealer or authorized Audi
@ S& Red unit is faulty. The charging Service Facility.
@ 6 Red process has been interrupted.
© Red
Technical Data
Output 9.6 kw
Current rating 40 A single phase
System voltage 120V-240V
Power frequency 50 Hz/60 Hz

Overvoltage category (IEC 60664) II

Short-time current rating (EN
61439-1)
<10 kA eff.

Power plug versions NEMA 6-30; NEMA 6-50; NEMA 14-30; NEMA 14-50; NEMA

S15
Integrated residual-current device /AC: 20 mA; DC: 56 mA
Vehicle charging connector Type 1
Protection class I
IP Code 55 (USA: Enclosure 3)

Control unit mass 5.3 lbs - 7.7 lbs (2.4 - 3.5 kg)

Control unit dimensions (height x
width x depth)

12.2 inx 4.1 in x 2.8 in (310 mm x 105 mm x 72 mm)

@) Tips
—The device runs a self test after power has
been restored to the control unit. If a self
test is successful, all indicator lights will il-
luminate green for two seconds.
— The Audi e-tron compact charging system is
designed for charging at sockets with a volt-
age of 120 V/240 V. If your socket has a dif-
ferent voltage, contact and authorized Audi
dealer or authorized Audi Service Facility.
— If your Audi e-tron compact charging sys-
tem has a fixed connection, meaning can be
connected directly to the power supply
144
without a power cable, contact a qualified
electrician or an authorized Audi dealer or
authorized Audi Service Facility.
— The system complies with United States FCC
regulations and ISED regulations
=> page 342.