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9
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7. How to call
Symptom
Remedy
The incoming air feels cold.
1
Stop the operation, and close the shutter.
2
Adjust the louver in a horizontal position.
3
Change the fan speed to Low.
Unusual noise occurs.
(Noise became louder.)
1
Clean the filters.
2
Securely attach the front panel and filters.
Small insects intrude into the unit.
1
Place the filter (outside air filter) properly inside the filter frame.
2
Replace the filter (outside air filter) with the high performance filter
(optional parts).
8. Service inspection list
Location
Inspection Item
Check Result
Electric
wiring
Are the power lead wires securely connected to the terminal block?
(VL-100EU
5
-E)
Is the wiring correct? (VL-100EU
5
-E)
Appliance
Is the main unit securely mounted?
Does Lossnay operate as described in the Operating Instructions when oper-
ating the switch?
Is the fan operating?
Does the shutter work?
Does Lossnay operate without abnormal vibration or noise?
