Hitachi RPK-0.4FSRM Installations- Und Betriebshandbuch Seite 68

TROUBLESHOOTING
19.2 MAIN ALARM CODES
Code Category
01 Indoor unit
02 Outdoor unit
03
Transmission
04
05 Supply phase
06 Voltage
07
Cycle
08
09 Outdoor unit
11
12
Sensor on indoor unit
13
14
19 Fan motor
20
21
22
Sensor on
outdoor unit
23
24
29
31
32
35 System
36
38
39 Compressor
41
Pressure
42
43
44
45
Protection device
46
47
48
51
52
Inverter
53
54
56
57 Outdoor fan
58
b0
b1 System
b5
EE Compressor
30 PMML0552 rev.1 - 02/2021 - A10635790A
Activation of protection device (float switch)
Activation of protection device (high pressure cut)
Abnormality between indoor and outdoor
Abnormality between Inverter PCB and outdoor PCB
Abnormality power source phases
Abnormality of voltage drop in outdoor unit
Decrease in discharge gas superheat
Excessively high discharge gas temperature at top of compressor chamber
Activation of protection device for outdoor fan
Inlet air thermistor
Outlet air thermistor
Freeze protection thermistor
Gas piping thermistor
Activation of the protection device for the indoor fan
Compressor thermistor
High pressure sensor
Outdoor air thermistor
Discharge gas thermistor
Evaporating thermistor
Low pressure sensor
Incorrect capacity setting of outdoor unit and indoor unit
Incorrect setting of other indoor unit number
Incorrect setting of indoor unit number
Incorrect of indoor unit combination
Abnormality of picking up circuit for protection in outdoor unit
Abnormality running current at constant speed compressor
Overload cooling
Overload heating
Activation of pressure ratio decrease protection device
Activation of low pressure decrease protection device
Activation of low pressure increase protection device
Activation of high pressure increase protection device
Activation of high pressure decrease protection device
Activation of overcurrent protection device
Abnormal inverter current sensor
Activation of inverter overcurrent protection
Activation of transistor module protection
Abnormality of inverter fin temperature
Abnormality of detection for fan motor position
Activation of fan controller protection
Abnormality of fan controller
Incorrect setting of unit capacity
Incorrect setting of unit and refrigerant cycle number
Incorrect setting of indoor unit number for H-LINK type.
Compressor protection alarm
Content of abnormality