High Pressure Sensor Abnormality - Daikin LRMEQ3BY1 Service Manual

ESIE17-20A

7.6.13 High Pressure Sensor Abnormality

JA
Error Code
LRMEQ3~4BY1
Applicable
Models
Error is detected from the pressure detected by the high pressure sensor.
Method of Error
Detection
When the high pressure sensor is short circuit or open circuit.
Error Decision
(Not less than 4.3MPa, or 0.01MPa and below)
Conditions
 Defective high pressure sensor
Supposed
 Connection of low pressure sensor with wrong connection
Causes
 Defective outdoor unit PCB
 Defective connection of high pressure sensor
Air Cooled Refrigeration Condensing Unit
Troubleshooting
93