Page 35
X. CAUSES & TREATMENT OF REFRIGERATOR FAILURES
Phenomenon
Failure
Condition
Inspection Part
Causes
Treatment Actions
Electric power
Power cord not being
engaged.
·
Any power shut
off or melted
fuse?
1. Broken mail coil of
the motor.
·
Replace the
compressor
Compressor
2. Broken wiring of
the refrigerator.
·
Check & repairs.
Relay
Broken electrical
heating wire
·
Replace the relay
1. Button set at
OFF position.
·
Replace the
control switch
2. Poor practice
·
Replace the
control switch
Control Switch
3. Air leakage (freon)
·
Replace the
control switch
Electric current
meter remains
still
Defrost switch
1. Poor practice
·
Replace the
defrost switch
1. Choking
·
Replace the
compressor
2. Short circuit
between motors
·
Replace the
compressor
Compressor
3. Broken auxiliary
coil of the motor.
·
Replace the
compressor
1. Poor practice
·
Replace the
starter
Starter
2. Poor contacting
point
·
Contacting point
be polished or
replace with a
new one.
Capacitor
Burnt out
·
Replace the
capacitor
Instant power
stop of major
motor
Power
Abnormal voltage
·
Explanation
for
the customer.
1. Poor practice
·
Replace the
defrost switch
Refrigerator fails
to operate
Defrost switch
fails to recover or
longer time
needed for
recovery
Defrost switch
2. Low room
temperature
·
Explanation
for
the customer.
Summary of Contents for PTV15SAMR
Page 53: ...Page53 XII PART LIST AND EXPLODED VIEW PTV15SAMR PTU427SAMR PTQ440SAMR PTG440SAMR...
Page 54: ...Page54 XII PART LIST AND EXPLODED VIEW PTV15SAMR PTU427SAMR PTQ440SAMR PTG440SAMR...
Page 61: ...Page61 XII PART LIST AND EXPLODED VIEW PTV16SAMR PTU463SAMR PTQ470SAMR PTG470SAMR...
Page 62: ...Page62 XII PART LIST AND EXPLODED VIEW PTV16SAMR PTU463SAMR PTQ470SAMR PTG470SAMR...
Page 70: ...Page70 XII PART LIST AND EXPLODED VIEW PTV19SAMR PTU527SAMR PTQ530SAMR PTG530SAMR...
Page 71: ...Page71 XII PART LIST AND EXPLODED VIEW PTV19SAMR PTU527SAMR PTQ530SAMR PTG530SAMR...
Page 78: ...Page78 XII PART LIST AND EXPLODED VIEW PTV20SAMR PTU565SAMR PTQ570SAMR PTG570SANR...
Page 79: ...Page79 XII PART LIST AND EXPLODED VIEW PTV20SAMR PTU565SAMR PTQ570SAMR PTG570SANR...
