REMKO RKV 13 C - Manual (Page 15)

15
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Before any work on the unit is performed, it must be disconnected from the power supply (fuse or
repair switch) and prevented from being inadvertently switched on !
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.
Should the unit still not work after performing these functional checks, please contact the closest dealer or REMKO
GmbH & Co KG. directly. See also section “Customer Service and Guarantee”.
Problem Possible cause Check Remedy
The unit does not
start or it switches
itself off automatically. Power failure Are all other electrical components
working? Check current and wait for the device 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 personnel
Amount of time waited after switch-
ing unit on was too short Plan for longer waiting periods Restart after approx. 5 minutes
Operating temperature too low / too
high Is the fan still working? Stay within temperature range of be-
tween 17 and 32° C
The cassette is not
responding to the
remote control Timer set to “ON” Delete programming Wait for the unit to start
Excess current caused by thunder-
storms Was there recently lightning in the
region ? Switch the system off and then back on
again
Polarity of batteries incorrect after
replacement Is the polarity correct? Insert batteries with the correct polarity
Transmission distance too great /
reception blocked Is the transmission signal at a dis-
tance of approx. 3 m when the but-
ton is pressed? Reduce distance to under 5 m and
change location
Remote control defective Does the unit work in manual
mode? See page 6 Replace remote control
Too much direct sunlight on the re-
ceiver or transmitter Does the unit function in the shade? Place the transmitter or receiver in the
shade
Electromagnetic fields are disrupt-
ing transmission Does the unit work when devices in
the vicinity are switched off? No signal transmission when sources of
disruption are operated simultaneously
The Stop button was pressed but
cassette fan keeps running Does the unit automatically switch
off after 30 seconds? Unit function OK, continuous operation
of heat-exchanger plate fins too dry
Remote control buttons stuck / two
buttons pressed at once Does the symbol appear on the dis-
play? Unstick button / only press one button
Dead batteries in the remote control Are the batteries new? Is the display
completely readable?
Insert new batteries
Temperature setting too high Is the selected temperature above
the room temperature? Reduce 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 Open grating and check filter? Clean filter
Windows and doors are opened /
increased amount of warm air or
cold air Have there been changes in design
or use? Close the windows and doors / mount
additional systems
Air circulation blocked for cooling
two rooms Is the connection between the air
outlet and air intake opening clear? Make sure that air can circulate freely
Cool mode is not set Does the cool symbol appear on the
display? Correct the unit settings
The drainage line of the condensa-
tion collector is blocked / damaged Can condensation drain freely? Clean the drainage line and the conden-
sation 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
Condensation water
is leaking from the
indoor unit.
One of the unit’s safety mecha-
nisms was triggered. Is the red light on the receiver of the
indoor unit lit up? See the section “The receiver on the
indoor unit”
There is a unit malfunction. Is the green light on the receiver of
the indoor unit blinking? Fix the problem. Disconnect the unit
from the power supply to start it again
without a malfunction display. See page 5
One of the unit’s safety mecha-
nisms was triggered. Is the red light on the receiver of the
indoor unit lit up? See the section “The receiver on the
indoor unit”