E3-00 - Outdoor Unit: Actuation Of High Pressure Switch - Daikin Stylish Series Service Manual

1.5.10 E3-00 – Outdoor unit: Actuation of high pressure switch
(C)(F)TXA15~50A(W)(S)(T) + (C)(F)TXA15~50B(B)(S)(T) + RXA42+50A +
RXA20~35A + RXA42+50B
Split Stylish R32
ESIE18-03C – 2020.02
Trigger
High pressure switch
opens due to measured
pressure above high
pressure switch operating
point.
High pressure control
(measured pressure just
below high pressure
switch operating point)
occurs 16 times within
300 minutes.
To solve the error code
INFORMATION
It is recommended to perform the checks in the listed order.
1 Check that all stop valves of the refrigerant circuit are open. See
"3.2 Refrigerant circuit" [
Possible cause: Closed stop valve in the refrigerant circuit.
2 Perform a check of the high pressure switch. See
4
switch" [ 63].
Possible cause: Faulty high pressure switch.
3 Perform a check of the main PCB. See
Possible cause: Faulty main PCB.
4 Check if the refrigerant circuit is correctly charged. See
4
circuit" [ 133].
Possible cause: Refrigerant overcharge.
5 Check for the presence of non‑condensables and/or humidity in the
refrigerant circuit. See
Possible cause: Non‑condensables and/or humidity in the refrigerant circuit.
6 Check if the refrigerant circuit is clogged. See
Possible cause: Clogged refrigerant circuit.
7 Perform a check of the outdoor unit fan motor. See
4
motor" [ 89].
Possible cause: Faulty outdoor unit fan motor.
INFORMATION
If all procedures listed above have been performed and the problem is still present,
contact the helpdesk.
Effect
Unit will stop operating.
4
133].
"2.11 Main
"3.2 Refrigerant circuit" [
"3.2 Refrigerant
1 Troubleshooting
|
Reset
Manual reset via user
interface.
"2.5 High pressure
4
PCB" [ 81].
"3.2 Refrigerant
4
133].
4
circuit" [
"2.12 Outdoor unit fan
Service manual
133].
13