COMPRESSOR AND ANOTHER ELECTRIC COMPONENTS
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1
2
3
4
5
2
4
3
3
4
4
5
5
NO
NO
NO
NO
NO
YES
YES
YES
YES
YES
YES
Power Source
Check the
resistance of the
PTC.
Check OLP.
Check the
starting state.
Check the
resistance of the
Compressor Motor.
Separate the PTC-STARTER from
the Compressor and measure the
voltage between M and C of the
Compressor.
Equal to the applied
voltage. (Rating
voltage ± 10%)
Advice the customer
to use in the fixed
range.
Replace the
PTC-STARTER.
Starts at the voltage
of 85% below.
Replace the PTC.
Check the starting
state at the regular
voltage above.
Replace OLP.
Normal.
Normal.
OLP works within 30 sec.
in forcible OLP operation
by turning instant power on
and off.
The applied voltage is not in the
range of Rating Voltage ± 10%.
Test the resistance among
M-C, S-C, and M-S.
Test the resistance of the both
terminals in the PTC-STARTER.
Check if applying a
regular OLP.
Measure minimum starting voltage
after checking steps 1-3 above.
And measure the pressure balance
of the PTC with the interval of
more than 5 min.
Starts at the voltage of
more than 90%.
Replace the Compressor.
