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7. TROUBLE SHOOTING GUIDE
TROUBLE
Fan motor and
1. Power failure
compressor do not
run
2. Power is supplied,
Switch is in "cool"
1. Not operating at all
position but the
compressor does not
run
2. Compressor
3. Frequent start and
SITUATION
ANALYSIS
1) Power plug
2) Circuit breaker
1) receptacle
but the equipment
does not run
2) Operation switch
3) Cord or lead wire to
the switch
1) Compressor
2) Thermostat
3) Selector switch
4) O.L.P
5) Capacitor
1) Electricity
2) Room temperature
and outside
temperature
3) Compressor
4) O.L.P
5) Capacitor
1) Thermostat
stop
2) Capacitor
3) O.L.P
CAUSE
1) Power failure
2) Circuit breaker is tripped
3) Power plug is not contacting
• Disconnection
• Mechanical failure of switch
1) Disconnection
2) Malfunction of contact
• Disconnection or burned-out
1) Failure
2) Malfunction
3) Knob is not set to the proper
setting
• Failure of malfunction of proper
setting
1) Disconnection
2) Malfunction of contact
• Lack of capacity
• Disconnection
1) The voltage exceeded allowed
range
2) Capacity of wire is not
sufficient
• Extremely high
• Burned-out
• Malfunction
• Lack of capacity
• Malfunction
• Lack of capacity
• Malfunction
9
REMEDY
• Consult your electric company
• In case of a breaker, turn it on
and off a few times
• Replace the power plug
• Repair or replace the
receptacle
• Replace the cord or lead wire
• Replace the compressor or
connection wire
• Replace
• Repair or replace
• Turn knob for cooler setting
• Repair or replace the swtting
• Repair
• Repair or replace
• Replace
• Repair
• Consult your electric company
• Check the capacity of wire
• Ventilate well and remove the
heat source
• Replace
• Replace
• Replace
• Replace
• Replace
• Replace
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