LG LRBP1031W User Guide - Page 9

TROUBLESHOOTING, Mechanical - replacement parts

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TROUBLESHOOTING (Mechanical Part) 1 COMPRESSOR AND ELECTRIC COMPONENTS SPoouwrecer . Remove the PTC]_ Starter from the Compressor and measure the voltage between Terminal C of Compressor and Terminals 5 or 6 of PTC. (Rating Voltage _+10%)? YES _ OLP disconnected? YES Replace OLR in the range of Rating }Dj AVpopltaliegde v_o+l1ta0g%e. isn't Check the resistance of Motor Compressor. _ among M-C, S-C and M-S in Motor Cohmecpkretshseor.resistance Advise the customer _ to use a regular Trans. condition. CRheeccoknnceocnt.nection YES Replace Compressor. Check the resistance of two terminals in PTC- PTC-Starter. _I Sthaertcekr. the resistance of YES NO _- I RPTepCl-aSctearter. Check OLR _ a hreegcuklairf aOppLlPy.ing YES 30 sec. in forcible OLP operation by OtounLrnPainngwdoiornkfsfs.tanwtithpinower b Replace OLP. YES Csthaertcinkg state. starting voltage after 5 min. for balancing cycle _,_ preesassuurree PTC. manindimcouomling the _ the voltage of Rating Voltage -+10% below. ComponentsI start in O_K_ NO -11 -

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TROUBLESHOOTING
(Mechanical
Part)
1 COMPRESSOR
AND
ELECTRIC
COMPONENTS
Power
Source.
Check the
resistance
of
Motor
Compressor.
Remove
the PTC-
]_
Starter from
the
Compressor
and
measure
the voltage
between Terminal
C of
Compressor
and
Terminals
5 or 6 of PTC.
}Dj
Applied
voltage
isn't
in the range of Rating
Voltage
_+10%.
_
heck
the
resistance
among
M-C, S-C and
M-S in Motor
Compressor.
(Rating Voltage
_+10%)?
OLP disconnected?
Advise
the customer
to use a regular
Trans.
YES
_
YES
Replace Compressor.
YES
Replace OLR
_
Check connection
condition.
Reconnect.
Check the
resistance
of
PTC-Starter.
_I
heck the resistance
of
two terminals
in PTC-
Starter.
Check OLR
_
heck if applying
a regular OLP.
YES
I Replace
NO
_-
PTC-Starter.
YES
OLP
works
within
b
YES
30 sec. in forcible
OLP operation
by
Replace OLP.
turning instant
power
on and off.
Check
starting state.
_,_
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.
I
NO
O_K_
-11
-