Sanyo HEC-DR5000 - Heater, Pressure Sensor, and Other Issues Troubleshooting

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19
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HEC-DR5000
(GENERAL)
Problem Diagnosis Chart
HERTER
PRESSURE
SENSOR
OTHERS
Error message
Troubled portion
Troubled phenomenon Check item Counteraction method
When there is pressure sensor
output of Continuation 3 second
and less then 0.1V.
An abnormal power supply.
An abnormal power supply.
When there is thermistor output
of continuation 2 second and
less then 0.1V.
When there is thermistor output
of continuation 2 second and
more then 4.9V.
1. The connection confirmation of Printed board (Main) CN20 .
2. Check the Connector ass'y (heater) for disconnection.
3. Check the Thermistor for disconnection.
4. Others.
1. The connection confirmation of Printed board (Main) CN20 .
2. Check the Connector ass'y (heater) for shorting.
3. Check the Thermistor for shorting.
4. Others.
1. Check the volume rotary (pressure) .
(CN903 red-black approx. 10k /red-white approx.
250 - 10k )
2. The connection confirmation of Printed board (Main) CN19
and Printed board (Massage pulse) CN901 and CN903.
8. Check the main harness for disconnection or
shorting.
4. Others.
1. Check the power supply of an power point.
2. Others.
1. Check the power supply of an power point.
2. Others.
Insert the connector.
Replace the
Connector ass'y (heater) .
Replace the
heater(sole) .
Replace the Printed board (main).
Insert the connector.
Replace the
Connector ass'y (heater) .
Replace the
heater(sole) .
Replace the Printed board (main).
Replace the volume rotary (pressure).
Insert the connector.
Replace the main harness.
Replace the Printed board (main).
Replace the Printed board (main).
Replace the Printed board (main).