Faults Displayed On The 3-Phase Outdoor Unit - Fujitsu Waterstage WOYG160LJL Installation Manual

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Faults displayed on the 3-phase
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 LED "ERROR" (2) blinks.
Press once on the switch "ENTER" (SW109).
The "ERROR" (2) LED blinks several times depending
on the error's type (see below).
LED display Error contents
Serial forward transfer error.
1 Flash
2 Flashes Discharge thermistor error.
3 Flashes Pressure switch error.
Heat-exchange thermistor (outlet) error.
4 Flashes
Expansion valve thermistor error.
6 Flashes
7 Flashes Outdoor temperature thermistor error.
8 Flashes Compressor thermistor error.
9 Flashes Transistor PCB error.
Discharge temperature error (permanent stoppage).
11 Flashes
12 Flashes Compressor temperature error (permanent stoppage).
13 Flashes Over current error (permanent stoppage).
14 Flashes Detection of compressor position error (permanent stoppage).
Compressor start up error (permanent stoppage).
15 Flashes
16 Flashes Fan motor 1 error (permanent stoppage).
17 Flashes Fan motor 2 error (permanent stoppage).
18 Flashes Inverter error.
Low pressure abnormal.
20 Flashes
23 Flashes Discharge pressure sensor error.
24 Flashes Suction pressure sensor error.
Waterstage / Installation / 2011 - EN
fig. 46 - Location of switches and LED on 3-phase
outdoor unit
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