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6. TROUBLESHOOTING
6-1 COMPRESSOR
AND ELECTRIC COMPONENTS
I Power Source.
._
Remove the PTC-
Starter from the
Compressor
and
measure the voltage
between Terminal C of
Compressor and
Terminals 5 or 6 of PTC.
f Applied voltage isn_
-_
in the range of Rating
Voltage +10%.
..._
(Rating Voltage
YES
__ _;=
-+10%)?
i
-_
OLP disconnected?
Advisethe
customer
a
to use a regular
transformer.
_
Replace OLR
Ch°ned_cc_nnection
Rec ne I
[_
heck the
resistance of
Motor
Compressor.
Check the
resistance of
PTC-Starter.
[_
[ Check
starting state.
_
heck the resistance
among M-C, S-C and
M-S in Motor
Compressor.
F
heck the resistance
of two terminals
in
PTC-Starter.
YES
]1=[_;=
Replace Compressor.
YEs
NO
_'
Replace
PTC-Starter.
YES
a regular OLR
_,
I 30 cec. in forcible OLP|
L
I
I I operation by turning
_
Replace OLR
I I instant power on and
I
r I
I
II ° ,,
I
t
NO
__
easure minimum
starting voltage after 5
min. for balancing cycle
pressure and cooling the
PTC.
Components
start in
the voltage of Rating
Voltage -+10%
below.
-10-
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