Hitachi RAC-25FXA RAC25FXA Manual Do Utilizador
Códigos do produto
RAC25FXA
14-23
Compressor fail to start.
Check wire continuity and
disconnection connector.
Check wire continuity and
disconnection connector.
Compressor
wire connector
unplug, check
wire continuity.
wire connector
unplug, check
wire continuity.
Fixing the
abnormal place.
abnormal place.
Conduct self check.
RL3 or Q601 might be broken
Based on [self-
check], replace
the defect part.
check], replace
the defect part.
Outdoor fan motor abnormal due to:
1.
1.
Fan stop due to strong wind.
2.
Something blocking the fan.
3.
Fan motor broken.
4.
Fan motor driver circuit broken.
Replace outdoor
P.W.Bs. (RL3 or Q601
abnormal)
P.W.Bs. (RL3 or Q601
abnormal)
Remove the
unnecessary
thing. If
found fan is
abnormal,
replace the
fan motor.
unnecessary
thing. If
found fan is
abnormal,
replace the
fan motor.
Wait till wind become weak then
restart again the unit.
restart again the unit.
Check whether fan
motor connector
disconnect.
motor connector
disconnect.
Check if thermistor wire disconnector
or short.
or short.
Does the wind strong?
Reconfirm again after
restart the unit.
Reconfirm again after
restart the unit.
Is there is an
abnormalities with the
outdoor fan motor.
abnormalities with the
outdoor fan motor.
Not a defect of
fan motor or
outdoor electrical
assembly.
fan motor or
outdoor electrical
assembly.
Replace outdoor P.W.B
Main. (Fan motor driver
circuit abnormal)
Main. (Fan motor driver
circuit abnormal)
Yes
No
Yes
Yes
No
Abnormal
Abnormal
LD301 4 time blinking.
Switching failure
LD301 2 times blinking.
Peak current cut
LD301 14 times blinking.
ACT voltage abnormal
Normal
LD301 12 times blinking.
Fan lock stop
No
Insert connector.
Normal
Fan stop due to strong
wind
LD301 11 times blinking
No
Continues run
Stop
Replace fan
motor.
motor.
Fan motor
abnormal
LD301 3 time blinking.
Abnormal low speed
rotation
Operation stop due to
abnormalities found in
controlling the compressor.
Maybe the load is very heavy.
abnormalities found in
controlling the compressor.
Maybe the load is very heavy.
Yes
Operation stop due to
compressor current
abnormal. Maybe the load is
very heavy.
compressor current
abnormal. Maybe the load is
very heavy.
No
Yes
Yes
Abnormal
Check whether
there are
unnecessary
thing blocking
the fan motor.
there are
unnecessary
thing blocking
the fan motor.
Abnormal
Normal
Fan motor
normal
normal