Sanyo HEC-DR5000 - Problem Diagnosis and Troubleshooting; Power Supply Troubleshooting; Remote Control Communication Issues; Sensor Communication Problems

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13
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HEC-DR5000
(GENERAL)
Problem Diagnosis Chart
Error message
Troubled portion
Troubled phenomenon Check item Counteraction method
POWER
REMOTE
CONTROL
SENSER
Nothing is displayed after the
power ON.
It displays after [ remote control
communication impossible ]
3 seconds.
(When Printed board (Main)
detects)
It displays after [ remote control
communication impossible ]
3 seconds.
(When Printed board (Remote
control) detects)
It displays after [ sensor
communication impossible ]
3 seconds.
(When Printed board (Main)
detects)
It displays after [ sensor
communication impossible ]
3 seconds.
(When Printed board (Senser)
detects)
Indication does not disappear.
"Grip the Sensor"
1. Check the current fuse for fusion.
2. Check the Printed board (Power) CN1 output (AC100V).
3. Check the Printed board (Power) CN6 output (AC100V).
4. Check the Printed board (Main) CN7 output (AC100V).
5. Check the Printed board (Main) CN16 output (approx. AC24V).
6. Check the Printed board (Main) CN21 for connector come-off.
7. Check the Printed board (Remote control) CN1 for connector
come-off.
8. Check the Connector (remote control) for disconnection or
shorting.
9. Others.
1. The connection confirmation of Printed board (Main) CN21.
2. The connection confirmation of Printed board (Remote control)
CN1.
3. Check the Connector (Remote control) for disconnection or
shorting.
4. Others.
1. The connection confirmation of Printed board (Main) CN21.
2. The connection confirmation of Printed board (Remote control)
CN1.
3. Check the Connector (Remote control) for disconnection or
shorting.
4. Others.
1. The connection confirmation of Printed board (Main) CN22.
2. The connection confirmation of Printed board (Sensor ) CN703.
3. Check the Connector (Sensor) cable for disconnection or
shorting.
4. Others.
1. The connection confirmation of Printed board (Main) CN22.
2. The connection confirmation of Printed board (Sensor control)
CN703.
3. Check the Connector (Sensor) cable for disconnection or
shorting.
4. Others.
1. The connection confirmation of Printed board (Sensor )CN701,
CN702.
Replace the current fuse.
Check the power switch and power cord.
Check the Printed board (Power).
Check the Connector (Printed board) .
Replace the transfomer.
Insert the connector.
Insert the connector.
Replace the Connector (Remote control) .
Replace the Printed board (Remote control)
or Printed board (Main).
Insert the connector.
Insert the connector.
Replace the Connector (Remote control) .
Replace the Printed board (Remote control)
or Printed board (Main).
Insert the connector.
Insert the connector.
Replace the Connector (Remote control) .
Replace the Printed board (Remote control)
or Printed board (Main).
Insert the connector.
Insert the connector.
Replace the Connector (Sensor) .
Replace the Printed board (Sennsor ) or
Printed board (Main).
Insert the connector.
Insert the connector.
Replace the Connector (Sensor) .
Replace the Printed board (Sennsor ) or
Printed board (Main).
Insert the connector.
*Be sure to grip the sensor.
*When the user's skin is gry (espeially a person with dry skin), yhe degree of stiffness may
not be measured correctly.
In such a case, slightly moisten with the fingers using hand cream.