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6. TROUBLESHOOTING
6-1 COMPRESSOR AND ELECTRIC COMPONENTS
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.
No Voltage.
f Ap_dvoltage _n't
-}P inthe range of Rating
Voifage ±10%.
__](RatingVoifage YES }_
±10%)? I
--_ OLP disconnected?
H dvise the customer
to use a regular
transformer.
-_ eplace OLR
C n% °n°ect'°n17
"econnectI
Iii
Check the _ Check the resistance
resistance of I- I among M-C, S-C and
Motor M-S in Motor
Compressor. Compressor.
Check the _ Check the resistance
resistance of I I of two terminals in
PTC-Starter. II PTC-Startar.
[_ [ Check OLR _ Check if applying
L I l a regular OLR
YES }e[_
ReplaceCompressor.
YEs
NO }B Replace
PTC-Starter.
YES
OLP works within I
30 sec. in forcible OLP I i
operation by turning
instant power on and I _ I
off. I
NO
YES }l_l_
Replace OLR I
f
I_ easure minimum
starting voltage after 5
min. for balancing cycle
pressure and cooling the
PTC.
_ omponents start in
the voltage of Rating
Voltage ±10%
below.
-10-
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