Hitachi PC-ARFP1E Manual De Instalación Y Funcionamiento página 81

OTHER INDICATIONS
Code
Category
number
07 Decrease in discharge gas superheat
Cycle
Excessively high discharge gas
08
temperature at the top of compressor
Activation of protection device for
09 Fan motor
outdoor fan
Abnormal transmission between
0A Transmission
outdoor and indoor unit
0b Incorrect outdoor unit address setting
Outdoor unit
Main unit of the outdoor unit incorrectly
0C
set
11 Abnormality of inlet air thermistor
12 Abnormality of outlet air thermistor
Abnormality of freeze protection
13
thermistor
Sensor on
14 Abnormality of gas piping thermistor
indoor unit
Abnormality of outdoor air thermistor
15
(EconoFresh)
16 Abnormality of remote sensor (DOAS)
Abnormality of thermistor built-in
17
remote controller (DOAS)
18 Abnormality of indoor fan system
Indoor fan
motor
Activation of protection device for
19
indoor fan
Abnormality of fan controller fin
1A
temperature
1b Activation of overcurrent protection
Indoor fan
1C Problem with current sensor
controller
1d Activation fan controller protection
Abnormality of indoor fan controller
1E
voltage
73 PMML0496 rev.1 - 12/2020
Abnormality
Excessive refrigerant charge, failure of thermistor, incorrect wiring, incorrect
piping connection, expansion valve locking at opened position (disconnect
connector)
Insufficient refrigerant charge, pipe clogging, failure of thermistor, incorrect
wiring, incorrect piping connection, expansion valve locking at closed
position (disconnect connector)
Fan motor overheat, locking
Incorrect wiring, broken cable, loose terminals
Duplication of address setting for outdoor units (sub units) in same
refrigerant cycle number
Two (or more) outdoor units set as "Main Unit" exist in same refrigerant cycle
number
Incorrect wiring, disconnecting wiring, breaking wire, short circuit
Abnormality of indoor fan motor (Step-Out), indoor fan controller failure
Fan motor overheat, lockup
Abnormality of fin thermistor or fan controller, heat exchanger clogging,
abnormality of fan motor
Abnormality of fan motor
Abnormality of fan controller current sensor
Driver IC error signal detection, instantaneous overcurrent
Indoor voltage decrease, insufficient capacity of power supply wiring
Cause