Airwell AWAU-YCV080-H11 Manual De Instalación página 24

Failure code
Digital tube Indication
indication on wired
on master controller
unit (hex)
115 115
116 116
117 117
118 118
119 119
120 120
121 121
122 122
123 123
When there is no failure, if the starting condition can not be met, digital tube on master unit will display stand-by code:
555 Standby state of capacity overmatch
555.1 Outdoor ambient temperature too high (heating)
Outdoor ambient temperature too high or too low
555.3
(cooling)
Failure code
Failure description
definition
Voltage too high
of DC bus line of Voltage of power source is too high
transducer
Communication
abnormal between
Communication is disconnected
transducer and
control PCB
Compressor startup fails for 5 times continuously, or
Transducer over
compressor is running down till stops caused by over
current (software)
current or over heat
Compressor The sensor used for current detecting of transducer is
startup failure abnormal, disconnected or incorrectly connection
Detecting circuit of
Current detection sensor of frequency controller is abnormal
transducer current
or unconnected or connected wrongly.
is abnormal
Power supply
of transducer Power supply of transducer is broken down instantly
abnormal
Power supply of
inverter board is Power supply of inverter board is broken down instantly
abnormal
Radiator temp.
sensor of Resistor of temp.sensor abnormal or temp.sensor
transducer disconnected
abnormal
Transient over
current in IPM Transient over current in IPM module rectifier side hard
module rectifier ware
side hardware
When capacity is over 130% or lower than
50%, the system is standby.
Ta>27°C, Standby
Ta>54°C or Ta<-10°C, Standby
21
Remarks
3 times in an
hour, confirm
failure; once
confirmation,
un-resumable
Resumable
3 times in an
hour, confirm
failure; once
confirmation,
un-resumable
3 times in an
hour, confirm
failure; once
confirmation,
un-resumable
Resumable