
10 .3
Faults displayed outdoor unit
To access the electronic board, you must remove the
front (right-hand) facing from the outdoor unit.
Faults are coded by LED 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).
LED 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 45 - Location of switches and LED
on outdoor unit (models e 13 & 16)
SW1
SW2
SW3
SW4
SW5
(1)
(2)
(3)
(4)
(5)
LED
and switches
Installation and operation manual "1764 - EN"
- 77 -
Air to Water Heat Pump, split system
Содержание WOYA060LFCA
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