Fujitsu ABY14-24A Sorun Giderme Kılavuzu - Sayfa 4
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Fujitsu Trouble Shooting Guide
Wired Controllers – Fault diagnostics
A Fault Condition is signalled by EE:EE appearing on the
LCD panel. The unit should be interrogated by switching it
off on the handset then pressing either the down arrows on
the SET TIME and TEMP/DAY buttons together for 3 seconds
for 7 day models or the ENERGY SAVE & ZONE CONTROL
buttons for other models. The Failure code is in 2 parts –
Fault and Address. The Fault Code is an E code. The second
is the unit address for multi linked systems – with single
units this is always 00. 7 day models have the fault code as
shown in the table below above the address. Other models
have the codes below, minus the 0, followed by the address –
e.g. E9:00 denoting Float Switch on Unit 0.
Outdoor Unit with
A fault condition is signified by flashing red LED's on the the
outdoor PCB if it is equipped with one. Except for multisplits
and 2 LED models, the diagnostics are shown in the table on
the right. For 2 LED models flashing signifies sensor failure
and constantly lit indicates high discharge temperature.
Wireless Remote Control Models – Diagnostics
Models with wireless handsets
have three LED's on the units
which light up to show operational,
or fault conditions. In general the
codes are as right, but there are
other codes available.
Model References are
A=ASY7A /R
B=ASY9/12A/R
C=ASY14/17A/R
D=ASY20/30/A/R
ABY14-24A /R & AUY12/18AG/RG
E=ABY36/45A
F=ABY36/45R
G=AUY18/45A
Sensor Resistances – Use to Check Thermistors across the range
Code
E:0
E:01
E:02
E:03
E:04
E:05
E:06
E:07
E:08
E:09
E:0A
E:0C
E:0D
E:0F
E:11
E:12
E:13
E:14
Fault
Signal Failure
Indoor Unit Failure
Discharge Sensor Fail
O/D Pipe Sensor Fail
O/D Air Sensor Fail
Power Source Error
PCB
PCB Failure
High Pressure Trip
Discharge Temp Trip
Unit
Code Means:-
All
Power On
All
Timer Mode
All
Louvre On
All
HP Defrost Cont.
All
Test
D,E,F
Power Fail
All
PCB Failure
G
Room Sensor Fault
A,B,G
Sensor Fault
D,E,F
Room Sensor Open/Fail
E,F
Room Sensor Short
C
Room Sensor Fault
D,E,F
Pipe Sensor Open
E,F
Pipe Sensor Short
D,E,F
High Water
F
Comms Failure
G
High Water
B,E,F
Fan Failure
F
3ph Reversal
C
Pipe Sensor Fault
F OD
Pipe Sensor Open
F OD
Pipe Sensor Short
F OD
Temp Sensor Open
F OD
Temp Sensor Short
F
Discharge Sensor Open
F
Discharge Sensor Short
F
High/Low Pressure
F
High Discharge Temp
Sensor
Air Temperature Sensors
Indoor Pipe Sensor
Outdoor Pipe Sensor
Discharge Sensor
Fault
Diagnosis
I/U - R/C Comms
Check R/C wiring. Interference?
I/U - O/U Comms
Check intercon. wiring. Interference
Room Sensor Open
Sensor Missing
Room Sensor Short
Sensor Faulty
I/U Pipe Sensor Open
Sensor Missing
I/U Pipe Sensor Short
Sensor Faulty
O/U Pipe Sensor Open
Sensor Missing
O/U Pipe Sensor Short
Sensor Faulty
Power Source Error
Incorrect Power Supply
Float Switch
Check Drains - High Water Level
O/U Air Sensor Open
Sensor Missing
Disch Sensor Open
Sensor Missing
Disch Sensor Short
Sensor Faulty
High Disch Temp
Contamination In Pipework/
Gas Shortage
Model Abnormal
Check PCB compatability
Indoor Fan Failure
Check Fan and Motor
O/D Signal Abnormal
Communications?
Outdoor PCB Fail
PCB Failure
LED1
LED2
LED3
Flash
Flash
Flash
Flash
All Flashing Very Rapidly
Flash
Flash
Red
Green
On
Off
On
On
On
On or Off
Long pulses
Off
Cont. Pulse
Cont. Pulse
On
Cont Long
Cont. Short Pulse
Cont. Short Pulse
1 Short Pulse
Rapid Pulse
2 Short Pulses
Rapid Pulse
2 Short Pulses
Rapid Pulse
2 Short Pulses
Rapid Pulse
3 Short Pulses
Long Pulse
3 Short Pulses
Rapid Pulse
3 Short Pulses
Rapid Pulse
4 Short Pulses
Rapid Pulse
5 Short Pulses
Rapid Pulse
6 Short Pulses
Rapid Pulse
6 Short Pulses
Rapid Pulse
Rapid Pulse
2 Short Pulses
Long Pulse
3 Short Pulses
Rapid Pulse
3 Short Pulses
Rapid Pulse
3 Short Pulses
Rapid Pulse
4 Short
Rapid Pulse
4 Short Pulses
Rapid Pulse
5 Short Pulses
Rapid Pulse
5 Short Pulses
Rapid Pulse
6 Short Pulses
Rapid Pulse 7
Short Pulses
At 10°C
At 20°C
20K Ohms
13K Ohms
103K Ohms
63K Ohms
10K Ohms
6K Ohms
646K Ohms
395K Ohms
Current Models
LED4
LED5
LED6
Flash
Flash
Flash
Flash
Flash
Flash
Flash
Flash
Flash
Yellow
Off
Off
On
Off
Off
Pulses Off
Off
Off
Off
Off
Rapid Pulse
Off
Off
Rapid Pulse
Off
Off
Off
Off
Off
Off
Off
Rapid Pulse
Pulses Off
Rapid Pulse
Off
Rapid Pulse
Off
Off
At 30°C
8K Ohms
40K Ohms
4K Ohms
250K Ohms