REMKO RKL 300 - Manual (Page 17)

8 Troubleshooting and customer service
The unit has been manufactured using state-of-the-art production methods and has been tested several
times to ensure that it works properly. If malfunctions should occur, please check the unit as detailed in the
list below. Please inform your dealer if the unit is still not working correctly after all the function checks have
been performed.
Fault description Cause Remedy
The unit does not start or switches
itself off.
Master switch off. Switch on the main switch.
Power failure Check voltage and if necessary
wait until turned on again.
Defective mains fuse Arrange to have exchanged
Power supply defective Repair by certified serv. centre.
Operational temperature range too
low or exceeded.
Observe operational tempera-
ture range 18 to 35 °C.
Internal reservoir full. Empty reservoir.
The ambient temp. of the unit lies
outside the operating range (18 to
35 °C).
Do not operate the unit outside
the operating range.
The unit does not work or works at
reduced cooling capacity.
Exhaust air hose kinked, extended,
routed downwards or blocked.
Ensure that there is a clear
path for the exhaust air.
Filter contamination, inlet or outlet
blower openings blocked by foreign
bodies.
Clean filter.
Minimum clearances too small. Observe minimum clearances.
Windows and doors open / heat
load was increased.
Close doors and windows /
reduce heat load.
Negative pressure in the installa-
tion room whilst the unit is oper-
ating with wall pass-through.
Balance out the pressure in the
installation room.
"Cooling" operating mode is not
used.
Use "AUTO, HI, MED or LO"
operating mode.
Unit will be switched by means of
the timer function.
Press "I / 0" key again.
Temperature setting too high. Reduce temperature.
Overvoltage due to local lightning
strike.
Switch unit off and separate
from the power supply for 5
mins., then start anew.
The unit does not respond to the
infra-red remote control.
Batteries in the remote control are
empty or the distance to the
receiver is too great.
Insert new batteries / reduce
distance.
After battery exchange, incorrect
polarity of batteries.
Insert the batteries with the cor-
rect polarity. Observe marking.
Condensate discharge on unit. Unit standing at an angle. Stand vertically.
The stopper for the condensate
drain is not correctly inserted or is
damaged.
Insert stopper correctly or
replace if necessary.
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