Nulite New Energy BKDX30-95I/1/S, Manual

Page: 26 / 27

25
Transformer
damaged
Substitution method Replace transformer
Power cut
Measure the
circuitry voltage
Wait for power supply
Compressor
does not
work
Capacitor damaged
Check
the capability of
the capacitor Replace
the capacitor
External overload protector damaged
Measure protector
resistance
Replace
Built-in protector Too much
refrigerant Measure pressure,
current and water
temperature
Discharge some
refrigerant
Built-in protector
Too little refrigerant
Measure pressure,
current and water
temperature
parameter
Refill refrigerant
The voltage is low Measure voltage
Change the lines or
increase voltage regulator
Compressor
cylinder jammed
Measure pressure,
current and water
parameter water
temperature
Shunt capacitor, fill
refrigeration oil
Compressor oil
shortage, noisy,
excessive Listen to the noisy
and test the
compressor
fill refrigeration oil
Not
defrosting
Defrosting
temperature
sensor reinstall
after broken
Short circuit Test the resistance Replace sensor
Open circuit Test the resistance Replace sensor
Resistance variation Test the resistance Replace sensor
Defrosting temperature sensor loose Check the sensor refit
No frost at the installation site of the
defrosting temperature sensor
Visual inspection
Adjust the
installation site
Defrosting detection time is too long
Check the
defrosting time
Reset the time
Defrosting condition setting
inappropriate
Setting defrosting
temperature
too high
Adjust the temperature
Four way valve
does not work
Four way valve coil
damage Measure the
winding
Replace the coil
Four way valve
stuck Knock the four way
valve
Replace four way valve