Acson ACC-D Series User Manual

57
Fau lty
Fau lty
: Faulty : Che ck : Caus e : Reme dy
Tripped
Tripped
Blow n
Ru nning
Tighten t he c o nne ct ions
Stop
Get the righ t voltage
Ch eck the pow er s upply to the
motor: repair w hen necess ary
Evapo rato r
fan contactor
Ch ange the contactor
Repa ir t he c o nta cts
Repa ir or c hange the sw itch
Get the righ t voltage
Ch eck the pow er s upply to the
motor: repair w hen necess ary
Ru nning
Stop
1
2
Over current relay
for condenser fan
Condenser
fan motor
No voltage or low voltage
Wrong phase / missing
phase
Defective operation switch
Faulty fan motor
Contact faulty
Coil burned
Wrong phase/missing
phase
High or low voltage
Connections loose
Components shorted
Wrong phase/missing
phase
No voltage or low voltage
Get the right voltage
Repair the power line
Repair or replace the components
Repair or change the motor
Fuse for operation
circuit
Over
current relay for
evaporator fan
Unit
power supply
Evaporator
fan motor
No cooling / heating ( Unit fails to start)
By means of diagnostic ow chart:
Generally, there are two kinds of problems, i.e. starting failure and insufcient cooling/heating. “Starting failure”
is caused by electrical defect while improper application or defects in refrigerant circuit causes “Insufcient
cooling / heating”.
i ) Diagnosis of Electric circuit

Acson ACC-D Series Specifications

General

Brand	Acson
Model	ACC-D Series
Category	Inverter
Language	English