Service Manual
Maintenance
35
4. High-temperature overload protection H3
Clean the heat exchangers
and remove
blockage of air inlet/outlet.
Check motor and re-install the moto
to make it run normally.
Make compressor run normally.
Replace a display
board with the
same model.
Start
Heat exchangers are
too dirty or the air inlet/outlet
is blocked.
Yes
Malfunction is
eliminated.
Yes
No
No
at a normal fan speed; fan speed is too
low or the fan doesn't run.
Yes
Malfunction is
eliminated.
Yes
No
No
normally. Strange noise or leakage occurs.
Casing is too hot.
Yes
Malfunction is
eliminated.
Yes
No
No
End