Daikin FH35BZV1 [267/397] Abnormal high pressure detected by the hps e3

Daikin FUYP100BV1 [267/397] Abnormal high pressure detected by the hps e3
ESiEN02–01A Error Codes: Outdoor Units
Part 3 Troubleshooting 3–39
33
4
5
1
3.3 Abnormal High Pressure (Detected by the HPS) (E3)
Error code E3
LED indications The table below shows the LED indications.
Error generation The error is generated when the high-pressure switch is activated during compressor operation.
Causes The possible causes are:
Abnormal high pressure caused by too much refrigerant or by non-condensable gas (air or
nitrogen)
Inaccuracy of the high-pressure switch
Broken or disconnected high-pressure switch harness
Malfunctioning high-pressure switch connector connection
Malfunctioning outdoor unit PCB
Malfunctioning refrigerant piping circuit.
HPS settings The table below contains the preset HPS values.
Operation HAP (green) H1P (red) H2P (red)
Normal 533
Malfunction 543
Applicable units Abnormal Reset
R(Y)P71/100/125B > 33 bar < 25.5 bar
R(Y)P200/250 > 32.5 bar < 25 bar

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