Bitzer ACP Link - Page 94

94 CT-600-2
No. Alarm / warning description Related
function
Possible causes
66 PID regulator error 2.38 Inconsistent parameters for PID regulator.
Correct parameters and power cycle the PLC
70 Sensor suction pressure IO low
signal
1.2 Sensor or connection error
71 Sensor suction pressure IO high
signal
1.2 Sensor or connection error
72 Sensor suction temperature IO
low signal
1.2 Sensor or connection error
73 Sensor suction temperature IO
high signal
1.2 Sensor or connection error
74 Sensor discharge pressure IO low
signal
1.2 Sensor or connection error
Low pressure due to evacuation
75 Sensor discharge pressure IO
high signal
1.2 Sensor or connection error
76 Sensor discharge temperature IO
low signal
1.2 Sensor or connection error
77 Sensor discharge temperature IO
high signal
1.2 Sensor or connection error
78 Sensor process temperature IO
low signal
1.2 Sensor or connection error
79 Sensor process temperature IO
high signal
1.2 Sensor or connection error
80 Status ECO system 2.35 CM-IO (ECO) module not online
81 Eco liquid level high 2.23 Too high liquid level in economizer
Error with liquid level control or expansion valve
Short overshoot of liquid level after enabling
economizer
Error with parametrization of liquid level control
sensor
82 Eco superheat low 2.24 Liquid in eco suction line
Delay in temperature signal and rapid pressure
change
83 Eco superheat high 2.25 Too little liquid in evaporator
Oil in suction line
Eco system in start-up phase