Remote Control Unit - Fujitsu AUYA36LATN Service Manual

ERROR CONTENTS

REMOTE CONTROL UNIT

Troubleshooting at the remote control LCD
This is possible only on the wired remote control.
If an error occurs, the following display will be shown.
("EE" will appear in the set room temperature display.)
Unit number
SU MO TU WE TH FR SA
Code Error contents
01 13
Indoor signal error
26 27
00 Wired remote controller abnormal
Indoor room temperature sensor error
02
Indoor heat exchanger temperature sensor (middle) error
04
Indoor heat exchanger temperature sensor (inlet) error
28
Float switch operated
09
0C Outdoor discharge pipe temperature sensor error
Outdoor heat exchanger temperature sensor (outlet) error
06
Outdoor temperature sensor error
0A
Heatsink sensor error
0E
Compressor temperature sensor error
15
2-way valve temperature sensor error
1d
3-way valve temperature sensor error
1E
Outdoor heat exchanger temperature sensor (middle) error
29
20 Indoor manual auto switch abnormal
Power supply frequency detection error
2A
IPM protection
17
CT error
18
Compressor location error
1A
1b Outdoor fan error
Connected indoor unit abnormal
1F
Outdoor unit computer communication error
1c
Indoor fan abnormal
12
Discharge temperature error
0F
24 Exessive high pressure protection on cooling
4-way valve abnormal
2c
Pressure switch abnormal
16
Compressor temperature error
2b
Active filter abnormal
19
25 PFC circuit error
If "CO" appears in the unit number display, there is a remote control
error. Refer to the installation instruction sheet included with the
remote control.
2007.04.02
Error code
OUTDOOR UNIT LEDS
Make a TEST RUN in accordance with the
installation instruction sheet for the indoor unit.
When a malfunction occurs in the outdoor unit,
the LED on the circuit board lights to indicate the error.
Refer to the following table for the description of each
error according to the LED.
Error contents
LED
Communication error
1 flash
(Indoor unit - Outdoor unit)
2 flash Discharg pipe temperature sensor
3 flash Outdoor heat exchanger temperature (outlet) sensor
4 flash Outdoor temperature sensor
5 flash Outdoor heat exchanger temperature (mid) sensor
6 flash Discharge pipe temperature abnormal
7 flash Compressor temperature sensor
8 flash Heat sink temperature sensor
9 flash Pressure switch abnormal
10 flash Compressor temperature abnormal
12 flash IPM error
13 flash Compressor rotor position cannot detect
14 flash Compressor cannot operate
15 flash Outdoor fan abnormal (upper fan)
16 flash Outdoor fan abnormal (lower fan)
5 sec. on/
Protect operation
1 sec. off
repeat
1 sec. on/
Pump down operation
1 sec. off
repeat
off
No error
15