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ESIE09-08
3.16 "E4 " Indoor Unit: Actuation of Low Pressure Sensor
E4
Remote Control
Display
Subcode 6
Applicable
All indoor units
Models
Method of
Abnormality is detected by the pressure value with the low pressure sensor.
Malfunction
Detection
Malfunction
Error is generated when the low pressure is dropped under specific pressure.
Decision
Operating pressure: 0.07MPa
Conditions
Supposed
Causes
Troubleshooting
220V. Use correct precautions when servicing.
Troubleshooting
Abnormal drop of low pressure (Lower than 0.07MPa)
Defect of low pressure sensor
Defect control PC board (A4P)
Stop valve is not opened.
Warning: CAPACITOR SHOCK HAZARD. The capacitors (top surfaces) can hold up to
Troubleshooting by Indication on the Remote Controller
151
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Troubleshooting
