Panasonic OCU-CR200VF5 Service Manual page 23
Outdoor type refrigeration unit
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Troubleshooting for Each Error Code
E 0 5
Indication
1. Low pressure sensor connector (3P1), or pressure sensor side connector disconnected or
contact failure
Probable
2. Low pressure sensor failure
Cause
3. Control PCB (CS1-PCB) failed
1. Check if the connector (3P1) on the CS1-PCB or the pressure sensor side connector is
disconnected or loose.
2. Check the output voltage of the low pressure sensor, and check if the sensor and wire is
Check
open or shorted.
[Method of checking]
Refer to "Method of Checking Sensor Characteristics" in the section "Failure Diagnosis".
1. Correctly attach the connector (3P1) to the CS1-PCB or pressure sensor side connector.
Corrective
2. Replace the low pressure sensor.
Action
3. Replace the control PCB (CS1-PCB).
E 0 6
Indication
1. High pressure sensor connector (3P3), or pressure sensor side connector disconnected or
contact failure
Probable
2. High pressure sensor failure
Cause
3. Control PCB (CS1-PCB) failed
1. Check if the connector (3P3) on the CS1-PCB or the pressure sensor side connector is
disconnected or loose.
2. Check the output voltage of the high pressure sensor, and check if the sensor and wire is
Check
open or shorted.
[Method of checking]
Refer to "Method of Checking Sensor Characteristics" in the section "Failure Diagnosis".
1. Correctly attach the connector (3P3) to the CS1-PCB or pressure sensor side connector.
Corrective
2. Replace the high pressure sensor.
Action
3. Replace the control PCB (CS1-PCB).
Detected
Low pressure sensor anomaly
Content
Detected
High pressure sensor anomaly
Content
23
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