Toyotomi KURO Mini Service Manual page 23

10.2 PG motor
Measure the voltage between this
foot and the neutral wire of main
board.
Display shows "H6"
Pull the blade with
hand under de-
energization status
Check whether
the blade operates
smoothly
Y
Check whether
the feedback terminal of
indoor fan's motor
is loose.
N
Check whether the
control terminal of indoor
fan's motor is loose
N
PG
Put through the power
and turn on the unit again. Measure
whether the output voltage of control terminal of indoor
fan's motor is more than 50V within 1min
after the horizontal louver
is opened.
N
It's the malfunction of
main board. Replace
the main board with
another one.
Adjust the motor and
the blade to make the
N
blade operate
smoothly.
Eliminate
N
malfunction
Insert the feedback
Y
terminal again
Eliminate
N
malfunction
Replace the jumper
Y
cap with a new one
Eliminate
N
malfunction
Replace the fan with
Y
a new one
N
Y
Y
Y
Eliminate
malfunction
Y
End
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