How To Call; Service Inspection List - Mitsubishi Electric Lossnay VL-100U5-E Handbook

7. How to call

Symptom
The incoming air feels cold.
Unusual noise occurs.
(Noise became louder.)
Small insects intrude into the unit.

8. Service inspection list

Location
Are the power lead wires securely connected to the terminal block?
Electric
(VL-100EU
wiring
Is the wiring correct? (VL-100EU
Is the main unit securely mounted?
Does Lossnay operate as described in the Operating Instructions when oper-
ating the switch?
Appliance
Is the fan operating?
Does the shutter work?
Does Lossnay operate without abnormal vibration or noise?
1 Stop the operation, and close the shutter.
2 Adjust the louver in a horizontal position.
3 Change the fan speed to Low.
1 Clean the filters.
2 Securely attach the front panel and filters.
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).
Inspection Item
-E)
5
-E)
5
Remedy
─ 9 ─
Check Result