Table 4 - Status, warnings and alarm messages
No Message Reset Type Unit status Description
1 No Alarm - Unit On See unit status on Main display
2 Ext. Ckt1 Stop - Circuit 1 Off Circuit 1 Off by Digital Input (Dual circuit units)
3 Ext. Ckt2 Stop - Circuit 2 Off Circuit 2 Off by Digital Input (Dual circuit units)
4 User Ckt1 Stop - Circuit 1 Off Circuit 1 Disable by Settings (via keyboard)
5 User Ckt2 Stop - Circuit 2 Off Circuit 2 Disable by Settings (via keyboard)
6 Remote Ckt1 Stop - Circuit 1 Off Circuit 1 Disable by Supervision
7 Remote Ckt2 Stop - Circuit 2 Off Circuit 2 Disable by Supervision
8 Clock Unit Stop - Unit Off Unit Off by Program (Hourly, Weekly)
9 Operator Stop - Unit Off Unit Off by Operator (via keyboard)
10 Ckt1 Defrost - Unit On Circuit 1 under defrosting
11 Ckt2 Defrost - Unit On Circuit 2 under defrosting
12 Warning Comp.1 Maintenance Manual Unit On
13 Warning Comp.2 Maintenance Manual Unit On
14 Warning Comp.3 Maintenance Manual Unit On
15 Warning Comp.4 Maintenance Manual Unit On
16 Alarm Air Sensor Auto Unit Off Defective Air sensor -
17 Alarm Ckt 1 Fault Manual Circuit 1 Off Simultaneous manual reset faults CMP A1 and (B1 or C1)
18 Alarm Ckt 2 Fault Manual Circuit 2 Off Simultaneous manual reset faults CMP A2 and (B2 or C2)
19 Alarm Ckt1 HP Limit Auto Unit On Compressor B1C1 Off for high HP ckt1
20 Alarm Ckt1 Limiting Auto Unit On Compressor B1C1 Off for Hot water or low LP ckt1
21 Alarm Ckt2 HP Limit Auto Unit On Compressor B2C2 Off for high HP ckt2
22 Alarm Ckt2 Limiting Auto Unit On Compressor B2C2 Off for Hot water or low LP ckt2
23 Alarm Comp. A1 Fault Auto/Manual CMP A1 Off Manu if CMP A1 failure > 35 min or 6 failures within
3 hours 30 min
24 Alarm Comp. B1 Fault Auto/Manual CMP B1 Off Manu if CMP B1 failure > 35 min or 6 failures within
3 hours 30 min
25 Alarm Comp. C1 Fault Auto/Manual CMP C1 Off Manu if CMP C1 failure > 35 min or 6 failures within
3 hours 30 min
26 Alarm Comp. A2 Fault Auto/Manual CMP A2 Off Manu if CMP A2 failure > 35 min or 6 failures within
3 hours 30 min
27 Alarm Comp. B2 Fault Auto/Manual CMP B2 Off Manu if CMP B2 failure > 35 min or 6 failures within
3 hours 30 min
28 Alarm Comp. C2 Fault Auto/Manual CMP C2 Off Manu if CMP C2 failure > 35 min or 6 failures within
3 hours 30 min
29 Alarm Ext. Setpoint Signal Auto Unit Off Defective device or bad device configuration
30 Alarm Fan Protection 1 Auto Unit On Defective fan on the circuit 1
31 Alarm Fan Protection 2 Auto Unit On Defective fan on the circuit 2
32 Alarm HP Ckt1 Fault Manual Circuit 1 Off High Pressure Cut-Out circuit 1
33 Alarm HP Ckt2 Fault Manual Circuit 2 Off High Pressure Cut-Out circuit 2
34 Alarm HP Sensor Ckt1 Auto Circuit 1 Off Defective pressure sensor HP1
35 Alarm HP Sensor Ckt2 Auto Circuit 2 Off Defective pressure sensor HP2
36 Alarm Low Ambient Auto Unit Off Ambient temperature too low for unit operation
37 Alarm Low Water Temp Manual Unit Off LWT < antifreeze or INT (antifreeze-EWT)<=10°Cxsecond
38 Alarm LP Ckt1 Fault Auto/Manual Circuit 1 Off Suction pressure too low on circuit 1
39 Alarm LP Ckt2 Fault Auto/Manual Circuit 2 Off Suction pressure too low on circuit 2
40 Alarm LP Sensor Ckt1 Auto Circuit 1 Off Defective pressure sensor LP1
41 Alarm LP Sensor Ckt2 Auto Circuit 2 Off Defective pressure sensor LP2
42 Alarm Unit Fault Manual Unit Off All the compressors are defectives
43 Alarm Water Flow (**) Auto Unit Off No water flow. Reset by unit Off/On when pump Off
44 Alarm Water In Sensor Auto Unit On Defective Return water sensor
45 Alarm Water Out Sensor Auto Unit Off Defective Leaving water sensor
46 Alarm Water Pump1 Manual Unit On Defective water pump 1
47 Alarm Water Pump2 Manual Unit On Defective water pump 2
(**) When the unit is shut down after a waterflow alarm for more than 1 minute, it is necessary to switch the unit Off and On again to reset the fault. The
fault will automatically reset if the water pump is still running.
Compressor running hours above the threshold defined in unit
configuration.Each compressor start is equal to 3 running hours.
Alarms
CG-SV01B-E4 23
