6. TROUBLESHOOTING
- 11 -
6-1 COMPRESSOR AND ELECTRIC COMPONENTS
1
2
5
5
3
2
3
4
5
4
3
5
5
4
5
1
YES
YES
YES
NO
YES
NO
YES
YES
NO
YES
NO
NO
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.
Replace OLP.
Reconnect.
Replace
PTC-Starter.
Replace OLP.
O.K.
Check connection
OLP disconnected?
Advise the customer
to use a regular
Trans.
Replace Compressor.
OLP works within
30 sec. in forcible
OLP operation by
turning instant power
on and off.
Applied voltage isn't
in the range of Rating
Check the resistance
among M-C, S-C and
M-S in Motor
Compressor.
Check the resistance
of two terminals in
PTC-Starter.
Check if applying
a regular OLP.
Measure minimum
starting voltage after 5
min. for balancing cycle
pressure and cooling
the PTC.
Check the
resistance of
Motor
Compressor.
Check the
resistance of
PTC-Starter.
Check OLP.
Check
starting state.
condition
+ 10 % )
_
Components start in
The voltage of Rating
(Rating Voltage
V 10 %
_
+ 10 %
_
Components start in
Voltage
below.
