Daikin FH35BZV1 [269/397] Abnormal low pressure detected by the lps e4

Daikin RYP100B7W1 [269/397] Abnormal low pressure detected by the lps e4
ESiEN02–01A Error Codes: Outdoor Units
Part 3 Troubleshooting 3–41
33
4
5
1
3.4 Abnormal Low Pressure (Detected by the LPS) (E4)
Error code E4
LED indications The table below shows the LED indications.
Error generation The error is generated when the low-pressure switch is activated during compressor operation.
Causes The possible causes are:
Malfunctioning refrigerant piping circuit
Malfunctioning low-pressure switch
Disconnected or broken low-pressure switch harness
Malfunctioning low-pressure switch connector connection
Malfunctioning outdoor unit PCB.
LPS settings The table below contains the preset LPS values.
Operation HAP (green) H1P (red) H2P (red)
Normal 533
Malfunction 543
Applicable units Abnormal Reset
R(Y)P71/100/125/200/250B < -0.3 bar > +0.5 bar

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