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Operation
Cycle alarms code list
(ERROR_CODE_CYC: address 16~21)
Cycle alarm
7SEG1
7SEG2
n
n
Activation of High Pressure Switch
n
n
Activation of Low Pressure Control
n
7n
Activation of Compressor Internal Thermostat
n
6n
Activation of Discharge Gas Thermistor
Activation of Thermal Relay for Comrpressor or
n
5n
Malfunction of Auxiliary Relay ARrn
n
f0
Incorrect Setting of Fan Number
n
4n
Activation of Fan Motor Internal Thermostat
n
n
Excessively Low Pressure
n
9n
Excess Low Temperature of Cooler Inlet Refrigerant
n
27
Failure of Discharge Gas Pressure Sensor (open/short)
n
28
Failure of Suction Gas Pressure Sensor (open/short)
Failure of Water Outlet Temperature Thermistor
n
12
(for non single cycle unit)
n
23
Failure of Discharge GasThermistor (open/short)
n
26
Failure of Suction Gas Thermistor (open/short)
n
05
Phase Abnormally
n
21
Failure of Cooler Inlet Refrigerant Thermistor (Ope/Short)
n
tn
Activation of Suction Gas Thermistor
n
13
Activation of Freeze Protection Control (for non single cycle unit)
n
24
Failure of Thermistor set before Expansion Valve (open/short)
n
25
Failure of Water Outlet Thermistor - Cooler Backside (open/short)
N O T E
This table is an example of the main alarm list. See the chiller technical documentation for detailed information.
22
PMML0301A rev.0 - 09/2013
Description
CHL-MBS-01 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
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