Hitachi 3HRNM1Q, Инструкция по установке и обслуживанию

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Table 7.4 Alarm Code (RAS-4/5HRNM1(Q) and RAS-5HYNM1(Q))
Code
No.
Category Content of Abnormality Leading Cause
01
Indoor Unit Activating of Protection Device
Activation of Float Switch,
High Water Level in Drain Pan.
02 Outdoor Unit
Activating of Protection Device
Activation of PSH, Pipe Clogging.
Excessive Ref., Inert Gas Mixing.
03
Abnormality between I.U. and O.U./O.U. and O.U.
Incorrect Wiring. Loose Terminals,
Disconnected wire, Tripping of Fuse.
04
Transmission Failure (Loose Connector).
Transmission
05
Supply Phases
Abnormal Power Source Phase
Incorrect Power Source Connection to
Reversed-Phase, Open Phase
Voltage Drop
Abnormal Inverter Voltage
O.U.Voltage Drop Insufficient Power Capacity
06
Cycle
Decrease of Discharge Gas Temperature
Excessive Ref.Charge, Failure of Thermistor,
07
Incorrect Wiring
08
Increase of Discharge Gas Temperature
Insufficient Ref.Charge, Pipe Clogging,
Failure of Thermistor, Incorrect Wiring
09
Outdoor Unit
Activation of Protection Device for Indoor
Fan Motor Overheat, Locking.
Unit Fan
11
Sensor on
Inlet Air Thermistor
Incorrect Wiring,
Indoor Unit
Disconnected Wiring
12
Outlet Air Thermistor
13
Freeze Protection Thermistor
14
Gas Piping Thermistor
16
Remote Contorl Thermistor
17
Remote Contorl Switch Thermistor
21
Sensor on
High Pressure Sensor
Incorrect Wiring,
Outdoor Unit
Disconnected Wiring
22
Outlet Air Thermistor
23
Discharge Gas Thermistor
24
Evaporating Piping Thermistor
29
Low Pressure Sensor
Incorrect Capacity of O.U.and I.U.
Incorrect Setting of Capacity Combination
31
System Incorrect Setting of I.U.No.
Duplication of Indoor Unit No.
35
Incorrect Combination of I.U.No. Refrigerant of Indoor Unit No.
36
Abnormality of Protective Circuit in O.U.
Failure of Protection Detecting Circuit
38
Activation of Low-Pressure
Detective Compression(Failure of Compressor
43
Decrease Protection Device
of Inverter,Loose Power Supply Connection)
Activation of Low-Pressure
Overload at Cooling High Temp.at Heating
44
Increase Protection Device Locking (Loose Connector)
Activation of High-Pressure
Overload Operation(Clogging,Short-Pass),
45
Increase Protection Device Pipe Clogging, insufficient Ref.Inert Gas Mixing
Activation of Low-Pressure Decrease
Insufficient Ref.,Ref.Pipe Clogging,
47
Protection Device(Vacuum Operation)
Locking(Loose Connector)
Pressure
Activation of Inverter
Overload Operation, Comp.Failure
48
Overvurrent Protection Device
Abnormal Current Sensor Current Sensor Failure
51
Inverter Error Signal Detection
Driver IC Error Signal Detection,(Protection
53
for Overcurrent,Low Voltage, Short-Circuit)
Increase of Inverter Fin Temperature
Abnormal Inverter Fin Thermistor,
54
Heat Exchanger Clogging,Abnormal Fan
Inverter
Inverter Failure
Inverter PCB Failure
55
57 Outdoor Fan
Fan Motor Abnormality
Disconnected Wiring/Incorrect Wiring
between Control PCB(PCB1) and Fan Relay
PCB(PCB3,PCB5), Fan Motor Failure
EE
Compressor
Compressor Protection Alarm
Failure of Compressor
b1
Indoor Unit
Incorrect of Address or Ref.Cycle setting
Over 64 NO.is set for Address or Ref.Cycle
b5
Indoor Unit
Incorrect I.U.No. Connected
More than 17 Non-Corresponding to H-LINK 2
No. Setting
No.Connected
Units are Connected to One System
Abnormality between Inverter PCB and O.U.PCB
26