Fujitsu Waterstage WOYK150LJL, Installation Manual

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- 77 - Waterstage / Installation / 2011 - EN
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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
1 Flash Serial forward transfer error.
2 Flashes Discharge thermistor error.
3 Flashes
Pressure switch error.
4 Flashes Heat-exchange thermistor (outlet) error.
6 Flashes Expansion valve thermistor error.
7 Flashes Outdoor temperature thermistor error.
8 Flashes Compressor thermistor error.
9 Flashes
Transistor PCB error.
11 Flashes
Discharge temperature error (permanent stoppage).
12 Flashes Compressor temperature error (permanent stoppage).
13 Flashes Over current error (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.
20 Flashes Low pressure abnormal.
23 Flashes Discharge pressure sensor error.
24 Flashes Suction pressure sensor error.
fig. 46 - Location of switches and LED on 3-phase
outdoor unit