Baxi RZNK50 Instalación Y Manual De Usuario página 153

The communication
between main PCB and
3H/5H
DC fan motor drive
module failure
Outdoor unit main
J7 control PCB EPROM
module failure
31 Module protection (F0)
Module hardware
32
protection
Module software
33
protection
Compressor
34
unconnected
Compressor phase
35 current overload
protection
DC bus voltatge over-
36 voltage or under-voltage
failure
Temperature sensor of
37 drive module heat fins
failure
Drive module high
38 temperature limit
frequency failure
Drive module high
39 temperature shutdown
protection
DC inverter compressor
3E
running out of step
YES
NO
YES
YES
YES
YES
YES
YES
YES
YES
YES
NO
31
DC fan operation failure
Main PCB failure
Supply voltatge below level
let the corrent excessive
Supply voltatge exceed
limit
Outdoor fan stop or low
speed
Supply voltatge below level
let the corrent excessive
Supply voltatge exceed
limit
Outdoor fan stop or low
speed
Supply voltatge below level
let the corrent excessive
Supply voltatge exceed
limit
Outdoor fan stop or low
speed
The connect of driving
module and DC inverter
compressor incorrect
Driving module failure
Compressor failure
Compressor overload
Compressor coil
disconnect
Inverter driving board
failure
Compressor failure
Supply voltatge below level
Supply voltatge exceed
limit
Driving board failure
Inverter driving board
failure
Driving module failure
Compressor failure
Outdoor unit fan stop or
low speed
Driving module failure
Compressor failure
Temperature sensor failure
Once confired the
unrecoverable