Sanyo HEC-DR8700 - Foot Rest Storage and Home Position

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16
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HEC-DR8700
Problem Diagnosis Chart
STRENGTH
Error message
Troubled portion
Troubled phenomenon Check item Counteraction method
When there is not output level at
sensor for continuation 15 seconds
while strength motor are moving
upward way.
When there is no detection of lower
limit position for continuation 15
seconds while strength motor are
moving downward way.
When there is no detection of upper limit
position for continuation 15 seconds while
strength motor are moving upward way.
When there is not output level at
sensor for continuation 15 seconds
while strength motor are moving
downward way.
A stop of strength motion
can not be carried out.
A stop of strength motion
can not be carried out.
A stop of strength motion
can not be carried out.
A stop of strength motion
can not be carried out.
A stop of strength motion
can not be carried out.
Strength motor rotation.
(Other abnormality except strength motor)
Strength mode doesn't move.
Strength motor rotation.
(Other abnormality except strength motor)
1. The connection confirmation of Printed board (Main) CN9
and Printed board (Massage pulse) CN901/CN902 and
Printed board (Strength pulse) CN931.
2. Check turning on confirmation main harness.
3. Check the magnet for the strength detection.
4. Check the Printed board (Strength pulse) IC931/IC932 for
inclination.
1. The connection confirmation of Printed board (Main) CN9
and Printed board (Massage pulse) CN901/ CN902 and
Printed board (Strength pulse) CN931.
2. The connection confirmation of Printed board (Massage
pulse) CN904.
3. Check the limit switch (strength).
4 Others.
1. The connection confirmation of Printed board (Main) CN5
and the junction connector.
2. Check the Printed board (Main) CN5 output (approx.
DC60 - 100V).
1. The connection confirmation of Printed board (Main) CN9
and Printed board (Massage pulse) CN901/CN902 and
Printed board (Strength pulse) CN931.
2. Check turning on confirmation main harness.
3. Check the magnet for the strength detection.
4. Check the Printed board (Strength pulse) IC931/C932 for
inclination.
1. Check the strength motor belt for dislocation and cut-off.
1. The connection confirmation of Printed board (Main) CN5
and the junction connector.
2. Check the Printed board (Main) CN5 output (approx.
DC60 - 100V).
1. The connection confirmation of Printed board (Main) CN9
and Printed board (Massage pulse) CN901/CN902 and
Printed board (Strength pulse) CN931.
2. Check turning on confirmation main harness.
3. Check the magnet for the strength detection.
4. Check the Printed board (Strength pulse) IC931/IC932 for
inclination.
1. Check the strength motor belt for dislocation and cut-off.
1. Check the Printed board (Main) FET2.
Insert the connectors.
Replace the main harness.
The magnet position correction for the
detection.
Correct the tilted condition or replace the
Printed board (Strength pulse).
Insert the connectors.
Insert the connector.
Replace the limit switch (strength).
Replace the Printed board (Main).
Insert the connectors.
If output Replace the strength motor.
If no output Replace the Printed board (Main).
Insert the connectors.
Replace the main harness.
The magnet position correction for the
detection.
Correct the tilted condition or replace the
Printed board (Strength pulse).
The strength motor belt correction, the
exchange.
Insert the connectors.
If output Replace the strength motor.
If no output Replace the Printed board (Main).
Insert the connectors.
Replace the main harness.
The magnet position correction for the
detection.
Correct the tilted condition or replace the
Printed board (Strength pulse).
The strength motor belt correction, the
exchange.
Replace the Printed board (Main).
Strength mode doesn't move.
Display
Lamp (under the cover)
Lamp (under the cover)
Lamp (under the cover)
Lamp (under the cover)
Lamp (under the cover)
Display
Display
Display
Display