Service Inspection List; Overhauling Procedures; Vl-50S -E, Vl-50Es -E - Mitsubishi Electric VL-50S2 Handbook

11. Service inspection list

Location
Are the power lead wires securely connected to the terminal block?
Electric
(VL-50ES
wiring
Is the wiring correct?
Is the product securely mounted?
Does Lossnay operate as described in the operating Instructions when operating the switch?
Is the fan rotating?
Appliance
Are the connectors securely connected?
Do the shutters work?
Does Lossnay operate without abnormal vibration or noise?

12. Overhauling procedures

Work precautions
• Before replacing parts, follow the instructions described in the troubleshooting.
• When servicing, always keep proper footing.
• When servicing, always unplug the power cord from the outlet, or turn off the circuit breaker. Pay sufficient
attention to avoid electric shock or injury.
• Always connect the power wires properly.
• Pay attention not to drop the parts or components.
• After completing repairs, check that the product operates properly.
Always wear a pair of gloves when servicing.
The part names in the text are standardized with the part names in the parts catalog. (There are some exceptions.)
12-1 VL-50S -E, VL-50ES
2
(1) Turn off the power.
[1] Stop the operation by turning off the switch.
[2] Turn off the circuit breaker on the distribution board, or unplug the power cord.
(2) Remove the front panel.
[1] Hold both ends of the front panel, and pull it forward.
[2] Suspend the detached front panel by using the wire.
Precautions
• When removing the front panel from the main unit, hold the hook to disengage the wire.
• Do not shake the suspended front panel. (The wallpaper could be damaged.)
<When the unit is installed horizontally>
Front panel
-E and VL-50SR -E only)
2 2
-E
2
Hook
Front panel
Inspection Item
<When the unit is installed vertically>
Front panel
Wire
─ 18 ─
Check Result
Hook
Wire
Front panel