9
7. TROUBLE SHOOTING GUIDE
TROUBLE
SITUATION
ANALYSIS
CAUSE
REMEDY
Fan motor and
compressor do not
run
Switch is in “cool”
position but the
compressor does not
run
1. Power failure
2. Power is supplied,
but the equipment
does not run
1. Not operating at all
2. Compressor
3. Frequent start and
stop
1) Power plug
2) Circuit breaker
1) receptacle
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
2) Capacitor
3) O.L.P
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
• 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
