Troubleshooting
NOTE
If no result is achieved after
carrying out all functional
checks, an authorised service
station should be contacted.
ATTENTION
Prior to carrying out mainte-
nance or repairs, the unit must
always be disconnected from
the supply.
Fault
Possible cause
Remedy
• The unit does not start.
• Lightning symbol in display does
not light.
No supply voltage.
• Check supply connection and local
fuses or switches.
• The unit does not start.
• The lightning symbol shows
constant „green“.
Room humidity too low.
The unit is outside its operating
limits of 10 – 36°C.
• Check the integrated or external
hygrostat by setting it to a low
relative humidity, e.g. < 40%.
If the unit does not switch on
again, the integrated or external
hygrostat must be checked for a
fault.
• Check the room conditions and
change if necessary.
• The compressor does not start.
• The triangle symbol in the dis-
play flashes constant „red“.
The compressor was automati-
cally switched off due to exces-
sive temperature.
Lack of ventilation.
Excessive ambient temperature.
Clogged filter/suction.
If the unit does not start after 45
minutes, the following must be
checked:
• Check that the fan/fans is/are
operating.
• Check whether the suction filter is
clogged.
• Check that the suction and blow
out openings are free.
• Check whether the condenser gills
are fouled
• Check whether the room
temperature is possibly above 36°C.
If the room temperature is above
36°C, the unit must be switched
off.
• The lightning symbol in the
display shows constant „green“.
• The drop symbol in the display
flashes constant „green“.
Indicates that the unit is operat-
ing, but has switched off due to
overheating.
• The indication can be cancelled by
disconnecting and reconnecting the
supply.
ATTENTION
Only an authorised specialised
company may carry out work
on the refrigeration system and
electrical equipment!
12
REMKO SLN 40-80
