Atlantic WOYG112LHT, Installation And Commissioning Instructions

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9 .2 Faults displayed
on the single phase outdoor unit
To access the electronic board, you must remove the
front (right-hand) facing from the outdoor unit.
Faults are coded by diode flashes.
When an error occurs:
- The diode " ERROR " (2) blinks.
- Press once on the switch " ENTER " (SW3).
- The " ERROR " (2) diode blinks several times depending
on the error's type (see below).
Diode display Error contents
1 Flash Serial forward transfer error.
2 Flashes Discharge thermistor error.
3 Flashes Pressure sensor error.
4 Flashes Heat-exchange thermistor (outlet) error.
5 Flashes Heat-exchange thermistor (intermediate) error.
6 Flashes Expansion valve thermistor error.
7 Flashes Outdoor temperature thermistor error.
8 Flashes Compressor thermistor error.
9 Flashes Heat sink thermistor error.
11 Flashes Discharge temperature protection (permanent stoppage).
12 Flashes Compressor temperature protection (permanent stoppage).
13 Flashes Current trip (permanent stoppage).
14 Flashes Detection of compressor position error (permanent stoppage).
15 Flashes Compressor start up error (permanent stoppage).
16 Flashes Fan motor 1 error (permanent stoppage).
17 Flashes Fan motor 2 error (permanent stoppage).
18 Flashes Inverter error.
19 Flashes Active filter error.
20 Flashes Low pressure abnormal.
21 Flashes Connection with hydraulic unit error.
22 Flashes Hydraulic unit abnormality condition.
"
Ensure that the general electrical power supply has been cut off before starting any repair work.
"
When the HP is not under tension, protection frost-free is not assured.
figure 64 - Location of switches and diodes
on single phase outdoor unit
SW1
SW2
SW3 SW4 SW5
(1)
(2) (3) (4)
(5)
Diodes
and switches
Installation and commissioning instructions "1485 - EN"
Heat pump alféa hybrid duo gas
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