Fujitsu UTG-UKYA-W Service Manual - Page 11

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Fujitsu UTG-UKYA-W Service Manual
OUTDOOR UNIT
ERROR CODE DISPLAY
You can determine the operating status
by the lighting up and blinking of the LED lamp.
(1)
(2)
(3)
LED display part
Button part
SW1
SW2
SW3
Display when an error occurs
PUMP
LOW
POWER
DOWN
NOISE
ERROR
MODE
(L1)
(L2)
(L3)
Blink
(Hi speed)
Sign "
": Lights off, "
": Lights on
(1)
Check that the "ERROR" LED blinks, then press the [Enter] button once.
(2)
For details, refer to the following table.
Display mode
( ) : Number of ß ashing
2015.08.20

Error code check table

POWER
MODE
(2)
(2)
(2)
(4)
(5)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
SW4
SW5
(2)
(2)
(2)
PEAK
CUT
(2)
(L4)
(L5)
(L6)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
: ON
: OFF
: OFF
(2)
: Blink (0.5s ON / 0.5s OFF)
(2)
LED display
PUMP
LOW NOISE
DOWN
ERROR
(L1)
(L2)
(L3)
(L4)
(1)
(1)
(1)
(1)
(2)
(2)
(5)
(15)
(6)
(2)
(6)
(3)
(6)
(5)
(7)
(1)
(7)
(2)
(7)
(3)
(7)
(3)
(7)
(4)
(7)
(7)
(8)
(4)
(8)
(6)
(8)
(6)
(9)
(4)
(9)
(5)
(9)
(7)
(9)
(8)
(9)
(9)
(10)
(1)
(10)
(3)
(10)
(5)
10
PEAK CUT
DESCRIPTION
(L5)
(L6)
Serial communication error
Indoor unit capacity error
Indoor unit error
Outdoor unit main PCB error
Inverter PCB error
IPM error
Discharge temp. sensor error
Compressor temp. sensor error
Outdoor unit Heat Ex. sensor error
Outdoor temp. sensor error
Heat sink temp. sensor error
Current sensor error
Pressure sensor error
Trip detection
Compressor motor control error
Outdoor unit fan motor 1 error
Outdoor unit fan motor 2 error
4-way valve error
Discharge temp. 1 error
Compressor temp. error
Pressure error 2
REMARK
Serial forward transmission error immediately after
operation
Serial forward transmission error during operation
Indoor unit capacity error
Indoor unit error
Outdoor unit PCB model information error
Inverter error
Trip terminal L error
Discharge temp. sensor 1 error
Compressor temp. sensor 1 error
Heat Ex. middle temp. sensor error
Outdoor unit Heat Ex. liquid temp. sensor error
Outdoor temp. sensor error
Heat sink temp. sensor error
Current sensor 1 error (stoppage permanently)
High pressure switch 1 error
Pressure sensor error
Trip detection
Rotor position detection error (stoppage permanently)
Duty error
Duty error
4-way valve error
Discharge temp. 1 error
Compressor 1 temp. error
Low pressure error