REMKO RKV 13 T - Manual (Page 9)

9
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 !
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, power too low Are all other electrical components
working? Check current and wait for the de-
vice to start again
Power fuse / power supply defec-
tive 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 Plan for longer waiting periods Restart after approximately 5 min.
Operating temperature too low /
too high Are the fans still working? Observed temperature range be-
tween 15 and 30 °C
The indoor unit is not respond-
ing to the remote control. Timer set to “ON” Is the timer set? Delete programming and restart
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 incorrect? 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 6 m and
change location
Remote control defective Does the unit work in manual
mode? Replace remote control
Too much direct sunlight on the
receiver or transmitter Does the function work in the
shade? Place the transmitter or receiver in
the shade
Electromagnetic fields are disrupt-
ing 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 con-
trol Are the batteries new? Is the dis-
play incomplete? Insert new batteries
Temperature setting too high Is the selected temperature above
the room temperature? Reduce selected temperature
The unit is operating at a low
cooling capacity. Filter is dirty/ intake / outlet open-
ing is blocked by foreign bodies Have the filters been cleaned? Clean filters
Windows and doors are opened /
increased amount of warm air or
cold air Have there been changes in de-
sign 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
Condensation water is leaking
from the indoor unit. The drainage line of the condensa-
tion 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