Stiebel Eltron CNS 1000 Plus LCD handleiding

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Stiebel Eltron

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Handleiding

Troubleshooting (users)

www.stiebel-eltron.com CNS Plus LCD | 23

u Clean the appliance when cold with ordinary cleaning

products. Avoid abrasive or corrosive cleaning products.

10 Troubleshooting (users)

Fault Possible cause Remedy

Room does not get

warm enough. Ap-

pliance does not get

hot.

Temperature set too

low on the appli-

ance.

Check the selected

room temperature.

Adjust if necessary.

No power supply. Check position of the

ON/OFF switch, RCD

and fuse/MCB in

your fuse box.

Room does not get

warm enough al-

though the appli-

ance is hot.

Overheating. The

high limit safety cut-

out limits the heat-

ing output.

Eliminate the cause

(dirt or obstructions

at the air intake or

outlet). Observe the

minimum clear-

ances.

Heat demand of the

room is higher than

the appliance out-

put.

Remedy heat losses

(close windows and

doors; avoid con-

stant airing).

The room gets too

hot.

Appliance temperat-

ure is set too high.

Check the selected

room temperature.

Adjust if necessary.

Detected room tem-

perature does not

match actual room

temperature.

Avoid obstructions

to air flow between

appliance and in-

door air.

Window-open de-

tection does not re-

spond.

Appliance does not

detect a pronounced

temperature drop

when airing. (Win-

dow-open detection

requires a previ-

ously stable room

temperature.)

After making set-

tings on the appli-

ance, wait a while

until the room tem-

perature has fully

stabilised.

Avoid obstructions

to air flow between

appliance and in-

door air.

Manually switch the

appliance to standby

while windows are

open.

Window-open de-

tection is not en-

abled.

Switch on window-

open detection in

the standard menu.

"Adaptive start"

function does not

work as required.

This function is only

effective when a

time program is act-

ive.

Use the time pro-

grams for optimised

heating conveni-

ence.

Severely fluctuating

room temperature

or the appliance

learning procedure

has not been com-

pleted.

Wait a few days for

the behaviour to

stabilise.

"Adaptive start"

function is not en-

abled.

Switch on the "Ad-

aptive start" function

in the standard

menu.

Fault Possible cause Remedy

The display shows

"Err" or "E...".

Internal fault detec-

ted.

Notify a qualified

contractor.

u If you cannot remedy the fault, contact your qualified con-

tractor.

u To facilitate and speed up your enquiry, please provide the

qualified contractor with the number from the type plate.

11 Troubleshooting (qualified con-

tractors)

To prevent hazards, the power cable must only be replaced (for

example if damaged) by a qualified contractor authorised by the

manufacturer, using an original spare part.

12 Shutting down the system

u Use the ON/OFF switch to switch the appliance off when not

in use for longer periods (e.g. during the summer months).

All settings remain intact after switching off or after an interrup-

tion to the power supply. A power reserve in the appliance en-

sures that the day of the week and the time are saved for several

hours.

If the appliance has been switched off for a longer time with a

time program activated, you will be prompted to set the day and

time after switching it back on. Until this setting is made, the

appliance will operate in comfort mode.

13 Removal

u Isolate all poles of the appliance from the power supply.

u Undo and remove the locking screw from the wall mounting

bracket.

u To release the appliance, push down the springs at the top

of the wall mounting bracket.

u Tilt the appliance forwards.

u Lift the appliance off the bottom tabs on the wall mounting

bracket.

u To remove the wall mounting bracket, undo and remove the

fixing screws from it.

NOTICE

u If you need to disassemble the appliance for re-

pair, follow the repair instructions for the appli-

ance.

14 Specification

14.1 Dimensions and connections

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