Low Pressure Sensor Abnormality - Daikin LRMEQ3BY1 Service Manual

ESIE17-20A

7.6.14 Low Pressure Sensor Abnormality

JC
Error Code
LRMEQ3~4BY1
Applicable
Models
Error is detected from pressure detected by low pressure sensor.
Method of Error
Detection
When the low pressure sensor is short circuit or open circuit.
Error Decision
(Not less than 1.8MPa, or -0.1MPa or less)
Conditions
 Defective low pressure sensor
Supposed
 Connection of high pressure sensor with wrong connection
Causes
 Defective outdoor unit PCB
 Defective connection of low pressure sensor
 Piping with wrong connection
Air Cooled Refrigeration Condensing Unit
Troubleshooting
95