6
6
.
.
T
T
R
R
O
O
U
U
B
B
L
L
E
E
S
S
H
H
O
O
O
O
T
T
I
I
N
N
G
G
24
6-3.
Checking procedure
Note: Do not check indoor and outdoor units at the same time. Be sure to check them one by one.
Is the measured
value approx.
12.0 V AC?
Is the connecting
cord correctly
connected?
Correct the connecting
cord correctly
Use a tester to measure the
voltage between “L” and “N”
of terminal board on the
outdoor unit
Check the electric
circuit
on the outdoor unit
Is the fuse
down?
Replace the transformer
with a new one.
Replace the fuse and
varister with new ones
Yes
Correct power supply
between “L” and “N”
of terminal board?
Yes
Replace the control P.C.B.
with a new one.
Measure the secondary
voltage of transformer
The machine does not function
at all with remote controller and
EMERGENCY button on the
indoor unit.
None of the three
LEDs is ON
NO
NO
Summary of Contents for HSH-P182NDC
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