REMKO RKV 10 W - Manual (Page 9)

9
Troubleshooting
This unit has been designed based on state-of-the-art manufacturing methods and it has been tested repeatedly to
ensure that it is working properly. However, should problems occur, refer to the following list.
Please keep in mind that the indoor units are supplied with power via the outdoor parts. As a result, we recommend
also reading the section "Troubleshooting" in the operating instructions for the indoor unit.
Should the unit still not be working despite these checks, please contact an authorised service centre.
Problem Possible cause Check Remedy
The unit does not start or
it switches itself off
automatically. Power failure, power too low, Are all other electrical components
working? Check current and wait for the de-
vice to start again
Power fuse / power supply defective Are all currents for lighting func-
tional? Replace power fuse /
Switch on main switch
Power supply line damaged Are all other electrical components
working? Maintenance by authorised per-
sonnel
Amount of time waited after switching
unit on was too short Did approx. 5 minutes elapse after
restarting? Plan for longer waiting periods
Operating temperature too low / too
high Are the fans on the indoor unit and
outdoor part working? Pay attention to temperature
ranges of indoor unit and outdoor
part
Excess current caused by thunder-
storms Was there recently lightning in the
region ? Switch the system off and then
back on again / Maintenance by
authorised personnel
Problem with the external condensa-
tion pump Did the pump switch off due to a
malfunction? Check pump and clean if neces-
sary
Sensors that are defective or not prop-
erly attached Is the indoor unit emitting a continu-
ous signal? Maintenance by authorised per-
sonnel
The indoor unit is not
responding to the remote
control. Timer set to “ON” Is the timer set? Delete programming and wait for
the unit to start
Polarity of batteries incorrect after re-
placement Is the polarity correct? Insert batteries with the correct po-
larity
Transmission distance too great / re-
ception blocked Is the transmission signal at a dis-
tance of approx. 3 m when the but-
ton is pressed? Reduce distance to under 6 m and
change location
Remote control defective Does the unit work in manual mode? Replace remote control
Too much direct sunlight on the re-
ceiver or transmitter Does the function work in the
shade? Place the transmitter or receiver in
the shade
Electromagnetic fields are disrupting
transmission Does the unit work after potential
causes of disruption have been
eliminated? No signal transmission when
sources of disruption are operated
simultaneously
Remote control buttons stuck / two
buttons pressed at once Does the symbol appear on the
display? Unstick button / only press one
button
Dead batteries in the remote control Are the batteries new? Is the display
incomplete? Insert new batteries
Temperature setting too high Is the selected temperature above
the room temperature? Reduce selected temperature
The device is either not
cooling at all or only
a little bit. Filter is dirty/ intake / outlet opening is
blocked by foreign bodies Have the filters been cleaned? Clean filters
Windows and doors are opened / in-
creased amount of warm air or cold air Have there been changes in design
or use? Close the windows and doors /
mount additional systems
Cool mode is not set Does the Cool symbol (COOL)
appear on the display? Correct the unit settings
Plate fins of the outdoor part are
blocked by foreign bodies Is the fan of the outdoor part work-
ing, are the plate fin exchangers
moving freely? Check the fan or winter regulation
mechanism, reduce air resistance
Cold cycle is not leak proof Is there a buildup of frost visible on
the plate fin exchangers of the in-
door unit? Maintenance by authorised per-
sonnel
Condensation water
is leaking from the
indoor unit. The drainage line of the condensation
collector is blocked / damaged Can condensation drain freely? Clean the drainage line and the
condensation collector
External condensation pump or float
regulator is defective Is the collector filled with water and
the pump is not working? Have pump checked by authorised
service centre
Before any work on the units is performed, they must be disconnected from the power supply
(fuse or repair switch) and prevented from being inadvertently switched on !