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Poor after start
Feature
High voltage
tripped ,reversion
but can not start
Overload relay
tripped
Auto drain system poor
Feature
Drain poor
Reason
Shortly after start, wire short
circuit ,charred taste
Pressure switch poor
Fan poor
Overload tripped
Condenser dusted
Too much refrigerant
Too high position temp
Expansion valve blocked
Dry filter blocked
Start relay poor
Capacitor poor
Pressure switch poor
Compressor overload
Too high temperature of
position
Too low of relay current
Relay connect poor
Phase lack
Connector poor or connect
point poor
Reason
The drainage pressure
low1.5kg/cm
Drain valve damaged
Drainage lean or
damaged
Drainage filter blocked
Too high using pressure
Outfall blocked
Fault Exclude
Chain control wire and
switch reconfiguration
Replace pressure switch
Replace fan
Find reason and check relay
Clean
Reduction in refrigerant
Select the position and
improve the ventilation
Replace expansion valve
Replace dry filter
Replace start relay
Replace capacitor
Replace pressure switch
Reduce the air capacity or
replace the right dryer
Select the position and
improve the ventilation
adjust
Adjust or replace
Check the reason
Clean or replace connector
Fault Exclude
Use the pressure 2-10
kg/cm
2
Replace drain valve
Adjust or replace drain
valve
Clean or replace
drainage filter
Use rate pressure
Clean
drainage
2
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