Error Code - Fujitsu UTB-YDB Installation Instruction

ERROR CODE

The air conditioning system must be inspected if "E✽:✽✽" (error code) appears on the Timer and Clock Display, or the operation lamp
is flashing.
The following explains the meaning of each of the error codes.
Model code
Error code
Error
Outdoor unit error
Code
00 No error
01 –
02 Model information abnormal
03 Microcomputer communication error
04 Power supply frequency abnormal
05 –
06 EEPROM access error
07 EEPROM deletion error
08 –
09 Compressor 1 error
0A Compressor 2 error
0b Compressor 3 error
0C –
0d Discharge temperature thermistor 1 error
0E Discharge temperature thermistor 2 error
0F Discharge temperature thermistor 3 error
10 Outdoor temperature thermistor error
11 Heat exchanger inlet thermistor 1 error
12 Heat exchanger inlet thermistor 2 error
13 Heat exchanger inlet thermistor 3 error
14 Heat exchanger outlet thermistor 1 error
15 Heat exchanger outlet thermistor 2 error
16 Heat exchanger outlet thermistor 3 error
17 Suction temperature thermistor error
18 –
19 Discharge pressure sensor error
1A Liquid pressure sensor error
1b Suction pressure sensor error
1C Oil sensor error
1d –
1E –
1F Transmission error
20 –
21 Discharge temperature 1 error
22 Discharge temperature 2 error
23 Discharge temperature 3 error
24 High-pressure error
25 Low-pressure error
26 –
27 Oil recovery error
28 Pump down error
En-14
Model code : Outdoor unit
: Indoor unit
: Group remote controller
: Convertor
Indoor unit error
No error
–
Model information abnormal
Microcomputer communication error
Power supply frequency abnormal
–
EEPROM access error
EEPROM deletion error
–
Room temperature thermistor error
Heat exchanger thermistor (middle) error
Heat exchanger thermistor (inlet) error
Heat exchanger thermistor (outlet) error
Blower temperature thermistor error
–
–
–
Drain abnormal
Room temperature abnormal
Indoor unit fan error
–
–
–
–
Standard wired remote control communication error
–
–
–
–
–
–
Transmission error
–
–
–
–
–
–
–
–
–
Group remote controller error
Convertor error
No error
–
–
Microcomputer communication error
–
Parallel communication error
EEPROM access error
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
Address setting error
–
Connection error
System error
–
Transmission error
–
–
–
–
–
–
–
–
–