27
Table 7.3 Alarm Code
Code
Category
Content of Abnormality
Leading Cause
01
Indoor Unit
Activation of Protection Device
Activation of Float Switch, High Level in Drain Pan
02
Outdoor Unit
Activation of Protection Device
Activation of PSH, Pipe Clogging, Excessive
Refrigerant, Inert Gas Mixing
03
Transmission
Abnormality between Indoor and
Outdoor (or Outdoor and Outdoor)
Incorrect Wiring, Loose Terminals, Disconnect Wire,
Tripping of Fuse
04
Transmission
Abnormality between Inverter PCB and Outdoor PCB
Abnormality between Fan Controller and Outdoor PCB
Transmission Failure (Loose Connector)
05
Supply Phase
Abnormality Power Source Phases
Incorrect Power Source, Connection to Reversed-
Phase, Open Phase
06
Voltage
Abnormal Inverter Voltage
Outdoor Voltage Drop, Insufficient Power Capacity
07
Cycle
Decrease in Discharge Gas Superheat
Excessive Refrigerant Charge,
Failure of Thermistor, Incorrect Wiring
08
Cycle
Increase in Discharge Gas Temperature
Insufficient Refrigerant Charge, Pipe Clogging,
Failure of Thermistor, Incorrect Wiring
11
Sensor on
Indoor Unit
Inlet Air Thermistor
Incorrect Wiring, Disconnecting Wiring
12
Outlet Air Thermistor
13
Freeze Protection Thermistor
14
Gas Piping Thermistor
19
Fan Motor
Activation of Protection Device for Indoor Fan
Fan Motor Overheat, Locking
21
Sensor on
Outdoor Unit
High Pressure Sensor
Incorrect Wiring, Disconnecting Wiring
22
Outdoor Air Thermistor
23
Discharge Gas Thermistor
24
Evaporating Piping Thermistor
29
Low Pressure Sensor
31
System
Incorrect Capacity of Outdoor Unit and Indoor Unit
Incorrect Setting of Capacity Combination
35
Incorrect Setting of Indoor Unit No.
Duplication of Indoor Unit No.
38
Abnormality of Protective Circuit in Outdoor Unit
Failure of Protection Detecting Circuit
(Failure of Protection Detecting Device, Abnormality
of Outdoor PCB, Incorrect Wiring of PCB)
43
Protection
Device
Activation of Low Pressure Decrease Protection
Device
Defective Compression (Failure of Compressor of
Inverter, Loose Power Supply Connection)
44
Activation of Low Pressure Increase Protection Device
Overload at Cooling, High Temp. at Heating, Locking
(Loose Connector)
45
Activation of High Pressure Increase Protection Device
Overload Operation (Clogging, Short-Pass), Pipe
Clogging, Insufficient Refrigerant, Inert Gas Mixing
47
Activation of Low Pressure Decrease Protection
Device (Vacuum Operation)
Insufficient Refrigerant, Refrigerant Piping Clogging,
Locking (Loose Connector)
48
Activation of Inverter Overcurrent Protection Device
Overload Operation, Compressor Failure
51
Sensor
Abnormal Current Sensor
Current Sensor Failure
53
Inverter
Inverter Error Signal Detection
Driver IC Error Signal Detection (Protection for
Overcurrent, Low Voltage, Short-Circuit)
54
Increase of Inverter Fin Temperature
Abnormal Inverter Fin Thermistor, Heat Exchanger
Clogging, Abnormal Fan
55
Inverter Failure
Inverter PCB Failure
57
Outdoor Fan
Motor
Abnormality of Fan Motor
Disconnecting Wiring or Incorrect Wiring between
Control PCB (PCB1) and Fan Relay PCB (PCB3,
PCB5), Failure of Fan Motor
EE
Compressor
Compressor Protection Alarm
Failure of Compressor
b1
Outdoor Unit
No. Setting
Incorrect Outdoor Unit No. Setting
Over 64 No. is Set for Address or Refrigerant Cycle.
b5
Indoor Unit
No. Setting
Incorrect Indoor Unit No. Setting
More than 17 Non-Corresponding to H-LINKII Units
are Connected to One System.
Содержание JDOH Series
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