Alarms
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 | Compressor running hours above the threshold defined in unit |
13 | Warning Comp.2 Maintenance | Manual | Unit On | |
14 | Warning Comp.3 Maintenance | Manual | Unit On | configuration.Each compressor start is equal to 3 running hours. |
15 | Warning Comp.4 Maintenance | Manual | Unit On |
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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 |
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| 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 |
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|
|
| 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 |
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|
|
| 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 |
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|
|
| 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 |
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|
|
| 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 |
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|
|
| 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 |
33 | Alarm HP Ckt2 Fault | Manual | Circuit 2 Off | High Pressure |
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 |
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.
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