Altrad Lescha LDH 500, Original Instructions Manual

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Power off the device and disconnect the mains plug before each troubleshooting.
Fault Possible cause Corrective action
Motor does not start No power supply. Check fuses.
Mains cable defective. Have it checked (electrician).
Water collecting container full. Drain the water collecting container.
Humidity of the room air lower than the
set value. Check the set humidity value and set another value
if required.
Only little condensation or no water Room temperature or humidity of air out
of the working range.
a) Check the room temperature (5 °C to 32 °C).
b)
Check the humidity of air (at least 30% RH).
c) Check the set humidity value and set another
value if required.
Air filter contaminated. Clean the air filter (see “Cleaning and
Maintenance”).
Air supply or exhaust air outlet blocked. Check. Place the device on another location of
required (adhere to the minimum distance to walls
(10 cm)).
a) Interior of the device heavily
contaminated.
b) Refrigerant circuit defective.
Contact the manufacturer or customer service.
Doors and/or windows open. Close doors and/or windows.
Device shuts down in continuous
operation with drain hose a) Drain hose kinked or wound up.
b) Not enough descending gradient.
Re-route the drain hose to allow the water to flow
out unhindered.
Water frozen in the hose. Take precautions to avoid water freezing.
Fault Possible cause Corrective action
Water flows out of the device Leakage of the water collecting
container. a) Check the water collecting container.
b) Replace the water collecting container.
Unusual noise or vibrations. Device is placed on an uneven floor. Place the device on an even floor.
Screws, nuts or other parts loosened. Tighten the parts.
If the parts cannot be tightened, are in the interior
of the device or the noise persists: Contact the
manufacturer or the responsible customer service
respectively
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Please contact the manufacturer or the customer service if you cannot eliminate a fault although you have carried out all functional
tests.
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Immediately put the device out of operation if it does not function properly.
Fault code
Following fault codes can be indicated in the display 2 “Relative humidity of air”:
Fault code Fault
E3 Humidity sensor defective.
E4 Water collecting container full.
E5 Refrigeration circuit sensor defective.
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Please contact the manufacturer or customer service of the fault codes E3 or E5 appear.
In case of further faults or inquiries please contact your local dealer.