Faults Displayed On The Single; When An Error Occurs - Fujitsu Waterstage WOYG160LJL Installation Manual

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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 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.
Heat-exchange thermistor (outlet) error.
4 Flashes
6 Flashes Expansion valve thermistor error.
7 Flashes Outdoor temperature thermistor error.
Compressor thermistor error.
8 Flashes
9 Flashes Transistor PCB error.
11 Flashes Discharge temperature error (permanent stoppage).
Compressor temperature error (permanent stoppage).
12 Flashes
13 Flashes Over current error (permanent stoppage).
15 Flashes Compressor start up error (permanent stoppage).
16 Flashes Fan motor 1 error (permanent stoppage).
Fan motor 2 error (permanent stoppage).
17 Flashes
18 Flashes Inverter error.
20 Flashes Low pressure error.
Discharge pressure sensor error.
23 Flashes
24 Flashes Suction pressure sensor error.
Before any maintenance operation,
ensure that the general power supply is switched off.
Frost protection is not available when the heat pump is not powered up.
- 76 -
fig. 45 - Location of switches and LED on single phase
outdoor unit
Waterstage / Installation / 2011 - EN
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U0629273-A