REMKO MXD 200 v.3 - Manual (Page 17)

Fault Possible cause Check Remedial measures
The unit does not start
or switches itself off.
Another indoor unit is in heating
mode.
Check the mode of the other
indoor units.
Operate all indoor units in
cooling mode or switch them
off.
Power outage, undervoltage
Are all other electrical
installations functioning
correctly?
Check voltage if necessary wait
before switching back on
Defective mains fuse
Main circuit breaker is open
Are all lighting circuits
functioning correctly?
Replace mains fuse
Close main circuit breaker
Damaged mains cable
Are all other electrical
installations functioning
correctly?
Repair by a specialist
Waiting time after switch-on too
short
Is there a restart after approx. 5
minutes?
Schedule longer waiting periods
Temperature outside operating
range
Are the fans for the indoor unit
and outdoor unit working?
Note the temperature ranges of
the indoor unit and the outdoor
unit
Overvoltages due to
thunderstorms
Have there been any lighting
strikes in the area recently?
Turn the main fuse off and turn
it on again
Have it checked by a specialist
Fault in external condensation
pump
Did the pump turn off due to a
fault outage?
Check pump clean if necessary
The unit does not
respond to the remote
control
Transmission distance too large /
Receiver faulty
When pressing the button is
there a signal sound
on the indoor unit?
Reduce the distance to less than
6 m or change position
Defective remote control
Is the outdoor component in
manual operation?
Replace the remote control
Receiver or transmitter unit
exposed to excessive solar
radiation
Is the function working if
shaded?
Place the transmitter or receiver
unit in the shade
Electro-magnetic fields interfere
with transmission
Is the function working when
turning off any 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
depleted
Have new batteries been
inserted? Is the display
incomplete?
Insert new batteries
Troubleshooting and customer service
Please note the continuation of this „Troubleshooting chart“ on the next page !
Malfunction
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. For installations with an indoor unit and outdoor unit, refer to the chapter "Troubleshooting and
customer service" in both manuals. Please inform your dealer if the unit is still not working correctly after all the
functional checks have been performed!
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