Fujitsu WSYA050ML3 Design & Technical Manual page 63

• Outdoor unit (WOYA100KLT):
When an error occurs:
– Check that the LED of ERROR blinks, and then press shortly the switch of ENTER.
– The LED of ERROR will blink several time. For details, refer to the table below.
Outdoor unit board
Error
L1 L2 L3
1 1 ○
11
1 1 ○
23 2 3 ○
62 6 2 ○
63 6 3 ○
6 5 ○
65
6 5 ○
71 7 1 ○
72 7 2 ○
7 3 ○
73
7 3 ○
74 7 4 ○
77 7 7 ○
78 7 8 ○
84 8 4 ○
8 6 ○
86
8 6 ○
94 9 4 ○
95 9 5 ○
97 9 7 ○
A1 10 1 ○
A3 10 3 ○
A5 10 5 ○
AC 10 12 ○
○: LED off, ●: LED on
(1) (2) (3)
POWER
PUMP
ERROR
DOWN
MODE
L1
MODE SELECT
ERROR CLR
S134 S133
L4 L5 L6
○ ● ● Serial communication error after operation
● ○ ○ Serial communication error during operation
○ ○ ● Different combinations used by indoor and outdoor units
○ ○ ● Outdoor unit main PCB error
○ ○ ● Inverter error
○ ● ● Outdoor unit IPM error
○ ○ ● IPM board temperature error
○ ○ ● Discharge thermistor error
○ ○ ● Compressor thermistor error
○ ● ○ Heat exchanger thermistor (intermediate) error
○ ● ● Heat exchanger thermistor (outlet) error
○ ○ ● Outdoor thermistor error
○ ○ ● Outdoor unit heat sink temperature thermistor error
○ ○ ● Expansion valve thermistor error
○ ○ ● Current sensor error
● ○ ○ Pressure sensor error
● ● ○ Pressure switch error
○ ○ ● Trigger detection
Detection of compressor position error
○ ○ ●
Compressor start up error
○ ● ● Outdoor unit fan1 motor error
○ ○ ● Discharge temperature protection
○ ○ ● Compressor temperature protection
○ ○ ● Low pressure abnormal
○ ● ● Outdoor unit radiator temperature error
- (03-5) -
(4) (5)
LOW PEAK
NOISE CUT
L2 L3 L4 L5
ENTER EXIT PUMP DOWN
INITIALIZE
S132 S131 S130
Error contents
1. User interface and remote controller (Optional parts)
L6