CÓDIGOS DE ERROR , AVERÍA Y MANUALES HIYASU

Seguridades en aire acondicionado Hiyasu
Está prohibido desmontar, puentear o desactivar de cualquier forma los dispositivos de seguridad y control durante su funcionamiento. El equipo de aire acondicionado es un aparato eléctrico y no debe utilizarse si no está en perfecto estado técnico. Toda avería o desperfecto que menoscabe o pueda mermar la seguridad debe ser subsanado inmediatamente por personal especializado. Las partes y los componentes defectuosos se sustituirán exclusivamente por recambios originales.
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HIYASU ASJ12UMBD_ASJ7UMBD_AOJ20USBV2
UNIDAD INDOOR (tipo montado en pared) : Parpadeo rápido : Parpadeo lento Lámpara de funcionamiento : Lámpara roja Lámpara temporizador : Lámpara verde
Large division indication | Small division indication | ||||
Error contents | LED indication | Error contents | LED indication | ||
circuit board error (indoor unit ) | Red lamp Green lamp | —– | —– | —– | |
thermistor error (indoor unit ) | Red lamp Green lamp | (2 times) | thermistor error (room temp.) | Red lamp Green lamp | (2 times) |
thermistor error (heat exchanger) | Red lamp Green lamp | (3 times) | |||
control unit error (indoor unit ) | Red lamp Green lamp | (4 times) | MANUAL AUTO button error | Red lamp Green lamp | (2 times) |
power source Hz decision error | Red lamp Green lamp | (4 times) | |||
serial error | Red lamp Green lamp | (5 times) | serial reverse transmission error | Red lamp Green lamp | (2 times) |
serial order transmission error | Red lamp Green lamp | (3 times) | |||
fan motor error (indoor unit) | Red lamp Green lamp | (6 times) | lock error | Red lamp Green lamp | (2 times) |
r.p.m error | Red lamp Green lamp | (3 times) | |||
thermistor error (outdoor unit) | Red lamp Green lamp | (2 times) |
UNIDAD INDOOR (TIPO CASSETTE) : Parpadeo rápido : Parpadeo lento
Error display | Error contents | ||
OPERATION lamp | TIMER lamp | SWING lamp | |
Goes off | Model information abnormal (permanent type) | ||
4 times | Goes off | Drain abnormal (permanent type) | |
6 times | Goes off | Indoor fan abnormal | |
2 times | Goes off | Room air temperature thermistor open circuit | |
Room air temperature thermistor short circuit | |||
3 times | Goes off | Piping thermistor open circuit | |
Piping thermistor short circuit | |||
5 times | Goes off | Indoor unit – outdoor unit miswiring |
HIYASU HBA24LAT_HOA24LACL

Operation lamp (Red) | Timer lamp (Green) | Filter lamp (Orange) | Error contents |
2 times | Serial reverse transfer error at starting up operation | ||
3 times | Serial reverse transfer error during the operation | ||
4 times | Serial forward transfer error at starting up operation | ||
5 times | Serial forward transfer error during the operation | ||
6 times | Communication error ( Main PCB Display PCB ) | ||
7 times | Communication error ( Display PCB Main PCB ) | ||
8 times | Wired remote controller abnormal | ||
2 times | 2 times | Indoor room temperature sensor error | |
2 times | 3 times | Indoor heat exchanger temperature sensor (middle) error | |
2 times | 4 times | Indoor heat exchanger temperature sensor (inlet) error | |
2 times | 6 times | Float switch operated | |
3 times | 2 times | Outdoor discharge pipe temperature sensor error | |
3 times | 3 times | Outdoor heat exchanger temperature sensor (outlet) error | |
3 times | 4 times | Outdoor temperature sensor error | |
3 times | 8 times | Compressor temperature sensor error | |
3 times | 2 times | 2-way valve temperature sensor error | |
3 times | 3 times | 3-way valve temperature sensor error | |
3 times | 4 times | Outdoor heat exchanger temperature sensor (middle) error | |
4 times | 2 times | Indoor manual auto switch abnormal | |
4 times | 4 times | Power supply frequency detection error | |
5 times | 2 times | IPM protection | |
5 times | 3 times | CT error | |
5 times | 5 times | Compressor location error | |
5 times | 6 times | Outdoor fan error | |
5 times | 7 times | Connected indoor unit abnormal | |
5 times | 8 times | Outdoor unit computer communication error | |
6 times | 2or3times | Indoor fan abnormal | |
7 times | 2 times | Discharge temperature error | |
7 times | 3 times | Exessive high pressure protection on cooling | |
7 times | 4 times | 4-way valve abnormal | |
7 times | 5 times | Pressure switch abnormal | |
7 times | 6 times | Compressor temperature error | |
8 times | 2or3times | Active filter abnormal | |
8 times | 4 times | PFC circuit error |

Error code | Error contents |
01 | Serial reverse transfer error |
13 | Serial forward transfer error |
26 | Communication error ( Main PCB Display PCB ) |
27 | Communication error ( Display PCB Main PCB ) |
00 | Wired remote controller abnormal |
02 | Indoor room temperature sensor error |
04 | Indoor heat exchanger temperature sensor (middle) error |
28 | Indoor heat exchanger temperature sensor (inlet) error |
09 | Float switch operated |
0C | Outdoor discharge pipe temperature sensor error |
06 | Outdoor heat exchanger temperature sensor (outlet) error |
0A | Outdoor temperature sensor error |
15 | Compressor temperature sensor error |
1d | 2-way valve temperature sensor error |
1E | 3-way valve temperature sensor error |
29 | Outdoor heat exchanger temperature sensor (middle) error |
20 | Indoor manual auto switch abnormal |
2A | Power supply frequency detection error |
17 | IPM protection |
18 | CT error |
1A | Compressor location error |
1b | Outdoor fan error |
1F | Connected indoor unit abnormal |
1c | Outdoor unit computer communication error |
12 | Indoor fan abnormal |
0F | Discharge temperature error |
24 | Exessive high pressure protection on cooling |
2c | 4-way valve abnormal |
16 | Pressure switch abnormal |
2b | Compressor temperature error |
19 | Active filter abnormal |
25 | PFC circuit error |
Outdoor unit
Error contents | LED |
Thermistor malfunction | on 0.1 sec / off 0.1 sec |
Abnormal discharge temperature | on |
Current surge protection | on 0.5 sec / off 0.5 sec |
CT abnormality | on 2.0 sec / off 2.0 sec |
Compressor position detection malfunction | on 0.1 sec / off 2.0 sec |
Fan malfunction | on 5.0 sec / off 5.0 sec |
PAM voltage abnormality | on 5.0 sec / off 0.1 sec |
Timer short | on 1.0 sec / off 0.1 sec |
Compressor temperature protection (permanent stop) | on 2.0 sec / off 5.0 sec |
PFC surge protection (permanent stop) | on 5.0 sec / off 2.0 sec |
HIYASU HM9F_HOM19F2B
ERROR DISPLAY INDOOR UNIT: Fast flashing : Slow flashingOperation lamp : Red lamp Timer lamp : Green lamp
Large division indication | Small division indication | ||||
Error contents | LED indication | Error contents | LED indication | ||
thermistor error | Red lamp Green lamp | (2 times) | thermistor error (room temp.) | Red lamp Green lamp | (2 times) |
thermistor error (heat exchanger) | Red lamp Green lamp | (3 times) | |||
control unit error (indoor unit ) | Red lamp Green lamp | (4 times) | MANUAL AUTO button error | Red lamp Green lamp | (2 times) |
power source Hz decision error | Red lamp Green lamp | (4 times) | |||
fan motor error (indoor unit) | Red lamp Green lamp | (6 times) | lock error | Red lamp Green lamp | (2 times) |
r.p.m error | Red lamp Green lamp | (3 times) |
HIYASU HS-9U2IM_HOS-18U2IM
Troubleshooting for indoor unit
Display | LED STATUS |
E0 | EEPROM error |
E1 | outdoor communication error |
E2 | Zero-crossing examination error |
E3 | Fan speed beyond control |
E5 | Outdoor units temp. sensor or connector of temp. sensor is defective |
E6 | Indoor units temp. sensor or connector of temp. sensor is defective |
P0 | Inverter module protection |
P1 | Outdoor voltage protection |
P2 | Compressor top protection against temperature |
P3 | Compressor current protection |
P5 | Outdoor low temp. protection |
error code display for outdoor unit
Display | LED STATUS |
E0 | EEPROM error |
E1 | No 1 Indoor units pipe temp. sensor or connector of pipe temp. sensor is defective |
E2 | No 2 Indoor units pipe temp. sensor or connector of pipe temp. sensor is defective |
E3 | No 3 Indoor units pipe temp. sensor or connector of pipe temp. sensor is defective |
E4 | Outdoor units temp. sensor or connector of temp. sensor is defective |
E5 | Compressor volt protection |
E7 | Indoor and outdoor communication error |
P0 | Compressor top protection against temperature |
P3 | Compressor current protection |
P4 | Inverter module protection |
P5 | Outdoor low temp. protection |
P6 | Condenser high-temperature protection |
HIYASU HS-18FC_HO-18FE
Error contents | Error display | ||
OPERATION (RED) | TIMER (GREEN) | SWING (ORANGE) | |
Indoor unit circuit board error | |||
Indoor unit room temperature sensor wire opened | 2 times | ||
Indoor unit room temperature sensor wire short circuited | 2 times | ||
Indoor unit piping sensor wire opened | 3 times | ||
Indoor unit piping sensor wire short circuited | 3 times | ||
Indoor unit fan error | 6 times |
jivazzier Aspiazu
Admin
Sonia Ortega Galiano
Sonia Ortega Galiano
Gilda Ciaccio
José Rodríguez
José Rodríguez
Francesc Xirivella