6. TROUBLESHOOTING
- 10 -
6-1 COMPRESSOR AND ELECTRIC COMPONENTS
1
2
3
4
5
2
5
5
3
5
4
5
5
1
4
3
YES
YES
The range of resistance is between 1~50
Ω
(OK)
Not open
4.5~9
Ω
Open or short
Open or short
Ope
n
YES
YES
NO
NO
Power Source.
No Voltage.
(Reated Voltage
±10%)?
Replace OLP.
Reconnect.
Replace
PTC-Starter.
Replace OLP.
Did
compressor
start?
Compressor
is OK
Replace the
compressor
Check connection
condition.
OLP disconnected?
Advise customer that
power supply needs to be
checked by an electrician.
Replace
Compressor.
Supply
voltage rating
with ±10%.
Applied voltage isn't
in range of Rating
Voltage ±10%.
Remove PTC-Starter
from Compressor and
measure voltage
between Terminal C of
Compressor and
Terminals 5 or 6 of PTC.
Check resistance
between M-C, S-C and
M-S in Motor
Compressor.
Check resistance of
two terminals in
PTC-Starter.
Check resistance of two
terminals in OLP.
Check the power supply
under load.
(Compressor attempting
to re-start after being off
for 5 minutes).
Check
resistance of
Motor
Compressor.
Check
resistance of
PTC-Starter.
Check OLP.
Check
starting state.
N
O
Summary of Contents for LRBN2051 Series
Page 9: ...BETTER GOOD 5 CIRCUIT DIAGRAM 9 3854JK1004D ...
Page 31: ...7 5 MAIN PWB ASSEMBLY AND PARTS LIST 7 5 1 Main PWB Assembly 31 ...
Page 32: ...7 5 2 Replacement Parts List 32 ...
Page 33: ...7 5 3 PWB Assembly Display And Parts List 33 ...
Page 34: ...7 6 PWB DIAGRAM 7 6 1 PWB Main Assembly 34 ...
Page 35: ... 35 ...
Page 36: ......