Stiebel Eltron VRC-W 450 E Premium Handleiding (308 Pagina's)

Handleiding

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Troubleshooting

(qualified

contractors)

Fault

Possible

cause

Remedy

A

software

fault

has

Reduce

the

distance

occurred.

between

the

WLAN

router

and

the

WLAN

module.

Ex¬

tend

the

range

of

the

WLAN

router.

Restart

the

ventila¬

tion

unit.

Interrupted

signal

The

WLAN

router

is

Extend

the

range

of

transmission

too

far

away

from

the

WLAN

router.

the

WLAN

module.

Wait

for

10

minutes.

Reception

is

suffer-

The

WLAN

module

ing

interference,

reconnects

to

the

e.g.

from

other

WLAN

network.

ruinai

Restart

the

ventila-

casm

Ss

-

tion

unit.

The

ai

spona

pp

does

not

re-

A

software

fault

has

Restart

the

app.

occurred.

The

menu

item

The

WLAN

module

is

Have

the

appliance

"Connectivity"

is

not

incorrectly

connec-

checked

by

a

quali-

visible

in

the

pro-

ted.

_

fied

contractor.

_

gramming

unit.

The

wlAn

module

is

Have

the

appliance

faulty.

checked

by

a

quali¬

fied

contractor.

16

Troubleshooting

(qualified

con¬

tractors)

Fault

Possible

cause

Remedy

The

programming

l2

C

connection

faulty

Check

the

cables

unit

does

not

start.

and

plugs.

Replace

damaged

cables.

The

bypass

damper

The

connection

con-

is

moving

in

the

figuration

has

been

wrong

direction.

set

incorrectly.

Message

codes

Code

Message

Appliance

re¬

sponse

Cause

30397

Supply

air

temper-

No

passive

house

Lead

break,

ature

outside

per-

comfort

temperat-

short

circuit,

missible

range

ure

control

faulty

sensor,

or

appliance

type

(right/left-

hand

version)

_

set

incorrectly

30398

Exhaust

air

tern-

No

effect

Lead

break,

perature

outside

short

circuit

or

permissible

range

faulty

sensor

50400

Communication

er-

The

supply

air

fan

Lead

break,

ror,

supply

air

dif-

and

exhaust

air

fan short

circuit

or

ferential

pressure

are

shut

down.

faulty

sensor

50401

Communication

er-

The

supply

air

fan

Lead

break,

ror,

exhaust

air

and

exhaust

air

fan short

circuit

or

differential

pres-

are

shut

down.

faulty

sensor

sure

30403

Communication

er-

Sensor

control

shut Lead

break,

ror,

fine

dust

down

short

circuit

or

sensor

faulty

sensor

30404

Supply

air

fan (no

No

effect

No

speed

feed-

feeoback on

speed)

back

despite

actuation

30405

Exhaust

air

fan (no

No

effect

No

speed

feed¬

feedback on

speed)

back

despite

actuation

Code

Message

Appliance

re¬

sponse

Cause

30406

Communication

er-

The

appliance

can-

Lead

break,

ror,

outdoor

air

not

provide

humid-

short

circuit

or

humidity

and

tern-

ity

protection.

faulty

sensor

perature

sensor

Automatic

bypass

mode

is

not

pos¬

sible.

Manual

changeover

of

the

bypass

damper

is

possible

using

the

‘Disabled"

and

"By-

pass/window

con¬

tact"

options

in

the

"Operating

mode

heat

recovery

by¬

pass"

parameter.

30407

Communication

er-

The

appliance

can-

Lead

break,

ror,

extract

air

hu-

not

provide

humid-

short

circuit

or

midity

and

temper-

ity

protection.

faulty

sensor

ature

sensor

Automatic

bypass

mode

is

not

pos¬

sible.

Manual

changeover

of

the

bypass

damper

is

possible

using

the

‘Disabled"

and

"By-

pass/window

con¬

tact"

options

in

the

"Operating

mode

heat

recovery

by¬

pass"

parameter.

30408

Faulty

preheating

No

effect

The

preheating

coil

(temperature

coil

is

not

de-

too

low,

supply

air

livering

fan

switched

off)

enough

energy

to

heat

the

outdoor

air.

Faulty

heater

or

triac.

50409

Heater

contact

has

Fans

are

operated

Heater

contact

been

triggered

at

10

%,

flow

rate

has

been

control

disabled

triggered,

neg¬

ative

pressure

in

building

30172

Float

switch

has

Fans

shut

down

Float

switch

been

triggered

has

been

triggered

30410

Sensor

voltage,

Collection

of

pres-

ventilation

sure,

temperatures

and

humidity

val¬

ues

not

possible.

Automatic

bypass

mode

is

not

pos¬

sible.

Fans

run

at

maximum

value

for

set

fan

setting.

30416

Internal

fault

No

appliance

type

con¬

figured

16.1

Sensor

resistance

values

When

measuring

with

a

multimeter,

the

resistance

values

serve

only

to

identify

faulty

or

incorrect

sensors

and

are

not

used

for

checking

accuracy.

Sensor

type

Supply

air

PT

1000

Exhaust

air

PT

1000

PT

1000

Temperature

[°C]

Resistance

[fi]

-30

882

-20

922

-10

961

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