Hitachi HC-A32MB Installation And Operation Manual page 22

Cycle alarms code list
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(ERROR_CODE_CYC: address 16~21)
Cycle alarm
7SEG1 7SEG2
Activation of High Pressure Switch
 
Activation of Low Pressure Control
 
Activation of Compressor Internal Thermostat
 7
Activation of Discharge Gas Thermistor
 6
Activation of Thermal Relay for Comrpressor or
 5
Malfunction of Auxiliary Relay ARrn
Incorrect Setting of Fan Number
 0
Activation of Fan Motor Internal Thermostat
 4
Excessively Low Pressure
 
Excess Low Temperature of Cooler Inlet Refrigerant
 9
Failure of Discharge Gas Pressure Sensor (open/short)
 27
Failure of Suction Gas Pressure Sensor (open/short)
 28
Failure of Water Outlet Temperature Thermistor
 12
(for non single cycle unit)
Failure of Discharge GasThermistor (open/short)
 23
Failure of Suction Gas Thermistor (open/short)
 26
Phase Abnormally
 05
Failure of Cooler Inlet Refrigerant Thermistor (Ope/Short)
 21
Activation of Suction Gas Thermistor
 
Activation of Freeze Protection Control (for non single cycle unit)
 13
Failure of Thermistor set before Expansion Valve (open/short)
 24
Failure of Water Outlet Thermistor - Cooler Backside (open/short)
 25
20
PMML0191A rev.2 - 05/2013
Description
Operation
HC-A32MB
value
1
2
3 - (A/W/CL)G(1)
9 - (A/W/CL)G2
4
5
6
7 - (A/W/CL)G(1)
3 - (A/W/CL)G2
8
10
11
12
14 - (A/W/CL)G(1)
24 - (A/W/CL)G2
15
16
17
19
20
21
23 - (A/W/CL)G(1)
13 - (A/W/CL)G2
24 - (A/W/CL)G(1)
14 - (A/W/CL)G2