– 108 –
Ye
s
N
o
No
Ye
s
Ye
s
Ye
s
No
No
No
LD301 blinks 8 time.
Acceleration defect.
LD301 blinks 7 time.
Thermistor abnormal.
Is the power module normal?
Is the drive circuit normal?
Is the thermistor connector
disconnected?
❈
The problem may be
“forgetting
to connect after servicing
”.
Is the continuity of thermistor normal?
Is the thermistor circuit normal?
Replace the power module.
Replace any defective parts.
Connect the thermistor
.
Replace the thermistor
.
Replace parts in the
thermistor circuit.
Check continuity of pattern and
lead wires according to the
P
.W
.B. and schematic diagrams.
Check continuity of pattern and
lead wires according to the
P
.W
.B. and schematic diagrams.
Summary of Contents for RAC25NH4
Page 37: ...CIRCUIT DIAGRAM MODEL RAK 25NH4 RAK 35NH4 RAK 50NH4 37 ...
Page 38: ...CIRCUIT DIAGRAM MODEL RAC 25NH4 RAC 35NH4 RAC 50NH4 39 ...
Page 40: ... 42 MODEL RAC 25NH4 RAC 35NH4 RAC 50NH4 MAIN P W B Marking on P W B COMPONENT SIDE ...
Page 90: ... 100 SELF DIAGNOSIS LIGHTING MODE MODEL RAC 25NH4 RAC 35NH4 RAC 50NH4 ...