Bedienungsanleitung REMKO MD261 (Seite 15 von 32) (Englisch)

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Troubleshooting and customer service

The equipment and components are manufactured using state-of-the-art production methods and tested several

times to verify their correct function. If malfunctions should occur, please check the functions as detailed in the

list below. Please inform your dealer if the unit is still not working correctly after all the functional checks have

been performed!

Fault Possible cause Checks Remedial measures

The unit does not start

or switches itself off

Power outage, undervoltage,

defective mains fuse / main circuit

breaker switched off

Are all other electrical installations

functioning correctly?

Check voltage,

possible wait until turned on

again.

Damaged mains cable Are all other electrical installations

functioning correctly? Repair by a certiﬁed service centre

Waiting time after switch-on too

short

Have approx. 5 minutes elapsed

since the restart? Plan for longer waiting period

Temperate outside operating

temperature range

Are the fans in the indoor unit

and outside component working

correctly?

Take into account the temperature

range for the indoor unit and

outside component

Overvoltages caused by thunder

storms Has there recently been lightning?

Switch off the mains protection

and switch it back on / have it

checked by a specialist

Fault in external condensation

pump

Did the pump shut down due to

a fault?

Check and if necessary clean the

pump

The unit does not respond

to the remote control

Transmission distance too far /

receiver affected by interference

Does the indoor unit beep when

pressing a button?

Reduce the distance to less than 6

m or change position

Defective remote control Is the unit running in manual

mode? Replace the remote control

Receiver or transmitter unit

exposed to excessive solar

radiation

Does it function correctly in the

shade?

Place the receiver & transmitter

unit in the shade

Electromagnetic ﬁelds are

interfering with transmission

Does it function when

switching off possible sources of

interference?

Signal is not transmitted

when interference sources are

operational

Button on remote control jammed /

two buttons pressed at same time

Does the “Send” symbol appear

on the display?

Release the button / only press

one button

Batteries in remote control are ﬂat Have new batteries been inserted?

Is the display incomplete? Insert new batteries

The unit is running

but only provides

reduced cooling or heating

performance

Filter is unclean / air inlet / outlet

blocked by foreign items Have the ﬁlters been cleaned? Clean the ﬁlters

Windows and doors open.

Heating/cooling output increases

Have there been any

constructional /

application-related changes?

Close windows and doors / install

additional units

Neither cooling nor heating mode

has been set

Is the cooling/heating symbol

shown on the display?

Correct the settings for the unit

Fins on outdoor component

blocked by foreign items

Is the fan on the outdoor

component running

and are the ﬁns unobstructed?

Check the fan or winter controller,

reduce the air resistance

Leaking refrigerant circuit Are there signs of frost on the ﬁns

of the indoor unit? Repair by specialist

Condensation is leaking out

of the collection container

drainage pipe Blocked / damaged

Is unrestricted condensation

discharge ensured?

Cleaning of drain pipe and

collector reservoir.

Faulty external condensation

pump or ﬂoat

Is the condensation tray full and

the pump running?

Call out a specialist to replace the

pump

Condensation has not drained

away and has collected in the

condensation pipe

Is there a steady fall on the

condensation pipe? Check there is

no blockage in the pipe.

The condensation pipe must have a

fall. If necessary, clean the pipe

Condensation does not drain off

Are the condensation pipes

unblocked and is there a steady

fall? Are the condensation pump

and ﬂoat switch functioning

correctly?

The condensation pipe must have

a fall. If necessary, clean the pipe.

A faulty condensation pump and

ﬂoat switch should be replaced.

Malfunction

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REMKO MD261 Seite 15

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