Cycle Alarms Code List - Hitachi HARC-MODBUS Manual De Instalación Y Funcionamiento

6.3.2

Cycle alarms code list

Cycle alarm
Description
7SEG1 7SEG2
0 0
Activation of High Pressure Switch
0 ¹0
Activation of Low Pressure Control
0 0
Activation of Compressor Internal Thermostat
0 0
Activation of Discharge Gas Thermistor
Activation of Thermal Relay for Comrpressor or
0 0
Malfunction of Auxiliary Relay ARrn
0 +
Incorrect Setting of Fan Number
0 0
Activation of Fan Motor Internal Thermostat
0 0
Excessively Low Pressure
0 0
Excess Low Temperature of Cooler Inlet Refrigerant
0
Failure of Discharge Gas Pressure Sensor (open/short)
0
Failure of Suction Gas Pressure Sensor (open/short)
Failure of Water Outlet Temperature Thermistor
0
(for non single cycle unit)
0
Failure of Discharge GasThermistor (open/short)
0
Failure of Suction Gas Thermistor (open/short)
0
Phase Abnormally
0
Failure of Cooler Inlet Refriegerant Thermistor (open/Short)
0 50
Activation of Suction Gas Thermistor
0
Activation of Freeze Protection Control (for non single cycle unit)
0
Failure of Thermistor set before Expansion Valve (open/short)
0
Failure of Water Outlet Thermistor - Cooler Backside (open/short)
0
Inverter power Supply abnormally
PMML0175A-rev.1 - 6/2008
HARC-MODBUS - xxxxxxxxxxxxxxxx HARC-MODBUS - Installation Manual 17
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Code
1
2
3
4
5
6
7
8
10
11
12
14
15
16
17
19
20
21
23
24
34