Check Pcb Of The Units - Hitachi PC-ARFG-E Installation & Operation Manual

SERVICE & INSTALLATION MENU

6.3.4 Check PCB of the Units

This function is used to Self check the PCB of the indoor and
outdoor units.
1 Select "Check PCB of the Units" on the "Check Menu"
screen and press "OK".
Check Menu
Check 1
Check 2
Alarm History Display
Display Model Number
Check PCB of the Units
OK Select
2 Press " ", " ", " ", or " " to select the indoor unit. Press "OK".
If there is only one indoor unit connected to the wired remote
controller, this screen is not displayed. (The screen in Step3
is shown.)
Check PCB of the Units
00-00
00-01
00-02
OK Select
3 Check result is shown.
Check 1:
Check 2:
Check 3:
86 PMML0565 rev.0 - 09/2021
(Mon) 16:30
00-00
Checking
Checking
Checking

Unit check result
00 Normal
01 Abnormality of Inlet Air Temp. Thermistor
02 Abnormality of Outlet Air Temp. Thermistor
03 Abnormality of Liquid Temp. Thermistor
04 Abnormality of Remote Thermistor
05 Abnormality of Gas Pipe Temp. Thermistor
07 Abnormality of Transmission of Outdoor Unit
08 Abnormality of Transmission of Central Station
0A Abnormality of EEPROM
0b Zero Cross Input Failure
Abnormality of Transmission of I.U. during Check (Wired
EE
Remote Controller ↔ Indoor unit)
Back
00 Normal
F4 ITO Input Failure
F5 PSH Input Failure
F6 Abnormality of Protection Signal Detection Circuit
F7 Abnormality of Phase Detection
F8 Abnormality of Transmission of Inverter
FA Abnormality of High Pressure Sensor
Fb Abnormality of Comp. Discharge Gas Temp. Thermistor
FC Abnormality of Low Pressure Sensor
Fd Abnormality of Evaporating Temp. Thermistor at Heating
Abnormality of Gas Piping Temp. Thermistor (Except for
RAS-AP**GS type)
Abnormality of MS Motor Temp. Thermistor (RAS-AP**GS
FE
type)
Abnormality of condensing Temp. (Heat Exchange)
Back
Thermistor (Tenant)
FF Abnormality of Ambient Air Temp. Thermistor
Back
Indoor Unit PCB
Outdoor Unit PCB