Sanyo HEC-DR8700 - Stress and Stiffness Measurement Process

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HEC-DR8700
Problem Diagnosis Chart
Error message
Troubled portion
Troubled phenomenon Check item Counteraction method
RECLINING
BACK REST
1. The connection confirmation of Printed board (Power) CN208.
2. Check the Printed board (Power) CN208 output
(approx. DC100V).
1. The connection confirmation of Printed board (Power) CN215.
2. The connection confirmation of Printed board (Power) CN212,
Printed board (Main) CN8 and the junction connector.
3. Check the back rest reclining upper limit switch.
4. Others.
1. The connection confirmation of Printed board (Power) CN208.
2. Check the Printed board (Power) CN208 output
(approx. DC100V).
1. The connection confirmation of Printed board (Power) CN215.
2. The connection confirmation of Printed board (Power) CN212,
Printed board (Main) CN8 and the junction connector.
3. Check the back rest reclining lower limit switch.
4. Others.
1. The connection confirmation of Printed board (Power) CN208.
2. Check the Printed board (Power) CN208 output
(approx. DC100V).
1. The connection confirmation of Printed board (Power) CN215.
2. The connection confirmation of Printed board (Power) CN212,
Printed board (Main) CN8 and the junction connector.
3. Check the back rest reclining upper limit switch.
4. Others.
1. The connection confirmation of Printed board (Power) CN208.
2. Check the Printed board (Power) CN208 output
(approx. DC100V).
1. The connection confirmation of Printed board (Power) CN215.
2. The connection confirmation of Printed board (Power) CN212,
Printed board (Main) CN8 and the junction connector.
3. Check the back rest reclining lower limit switch.
4. Others.
Insert the connector.
If output Replace the reclining motor
(back rest).
If no output Replace the Printed board
(Power).
Insert the connector.
Insert the connectors.
Replace the reclining motor (back rest).
Replace the Printed board (Main).
Insert the connector.
If output Replace the reclining motor
(back rest).
If no output Replace the Printed board
(Power).
Insert the connector.
Insert the connectors.
Replace the reclining motor (back rest).
Replace the Printed board (Main).
Insert the connector.
If output Replace the reclining motor
(back rest).
If no output Replace the Printed board
(Power).
Insert the connector.
Insert the connectors.
Replace the reclining motor (back rest).
Replace the Printed board (Main).
Insert the connector.
If output Replace the reclining motor
(back rest).
If no output Replace the Printed board
(Power).
Insert the connector.
Insert the connectors.
Replace the reclining motor (back rest).
Replace the Printed board (Main).
The back rest reclining motion
doesn't move. (Don't up)
The back rest reclining motion
doesn't move. (Don't down)
The back rest reclining motion
doesn't move. (Don't down)
The back rest reclining motion
doesn't move. (Don't up)
A back rest reclining operation
stop is not carried out.
A back rest reclining operation
stop is not carried out.
A back rest reclining operation
stop is not carried out.
A back rest reclining operation
stop is not carried out.
When there is no detection of reclining
switch (upper limit) at the back part for
continuation 1 minutes while reclining
motor are moving for raising back rest.
When there is no detection of reclining
switch (lower limit) at the back part for
continuation 1 minutes while reclining
motor are moving for lower back rest.
When there is detection of reclining
switch (upper limit) at the back part for
continuation 5 seconds while reclining
motor are moving for lower back rest.
When there is detection of reclining
switch (lower limit) at the back part for
continuation 5 seconds while reclining
motor are moving for raising back rest.