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6. TROUBLESHOOTING
6-1 COMPRESSOR AND ELECTRIC COMPONENTS
[_ Power Source. i
Remove the PTC-
Starter from the
Compressor and
measure the voltage
between Terminal C of
Compressor and
Terminals 5 or 6 of PTC.
}_No Voltage.
f Applied voltage isn't
-_ in the range of Rating
Voltage ±10%.
__ (Rating Voltage YES
±10%)? I _[_
OLP disconnected?
H Advise the customer
to use a regular
transformer.
Replace OLR
m_ Check connection
- I condition, h
L_ Reconnect. I
[_ I Check the r_ check the resistance
resistance of among M-C, S-C and
Motor M-S in Motor
Compressor. Compressor.
Check the i-_ Check the resistance I
resistance of of two terminals in
PTC-Starter. PTC-Starter.
Oe0,oooCoi o,,or.
YES
I Replace
NO _ PTC-Starter.
YES
[4> Check OLR I--_ Check if applying _"[ OLP works within _ YES _11 )[_
a regular OLR L-, 130 sec. in forcible OLP
I I Ioperation by turning Replace OLR I
I Iinstant power on and
[l°.
NO
[_ [ sCha_tiC_ngstate.
Measure minimum
t'-}_ starting voltage after 5 I'-}_
I I rain. for balancing cycle I I
| pressure and cooling the I ]
/ PTC. I I
Componen startin O.K. I
the voltage of Rating
Voltage +10%
below. NO )_
-10-
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