Manual 2100-671
Page 42 of 44
Index Description
0 Error in the number of retain memory writings
1 Error in retain memory writings
2 Circuit 1 Return Air Temperature Sensor Alarm
3 Circuit 1 High Return Air Temperature Alarm
4 Circuit 2 Return Air Temperature Sensor Alarm
5 Circuit 2 High Return Air Temperature Alarm
6 Circuit 1 Mixed Air Temperature Sensor Alarm
7 Circuit 1 Mixed Air High Temperature
8 Circuit 1 Mixed Air Low Temperature
9 Circuit 2 Mixed Air Temperature Sensor Alarm
10 Circuit 2 Mixed Air High Temperature
11 Circuit 2 Mixed Air Low Temperature
12 Circuit 1 Supply Air Temperature Sensor Alarm
13 Circuit 1 High Supply Air Temperature Alarm
14 Circuit 1 Low Supply Air Temperature Alarm
15 Circuit 2 Supply Air Temperature Sensor Alarm
16 Circuit 2 High Supply Air Temperature Alarm
17 Circuit 2 Low Supply Air Temperature Alarm
18 Outdoor Air Temperature Sensor Alarm
19 Outdoor Air Humidity Sensor Alarm
20 Circuit 1 Dust Sensor Alarm
21 Circuit 1 Dust Sensor High Dust Detection Alarm
22 Circuit 2 Dust Sensor Alarm
23 Circuit 2 Dust Sensor High Dust Detection Alarm
24 Circuit 1 Liquid Line Temp Sensor Alarm
25 Circuit 2 Liquid Line Temp Sensor Alarm
26 Circuit 1 Liquid Line Pressure Sensor Alarm
27 Circuit 2 Liquid Line Pressure Sensor Alarm
28 Circuit 1 Discharge Temp Sensor Alarm
29 Circuit 2 Discharge Temp Sensor Alarm
30 Circuit 1 Discharge Pressure Sensor Alarm
31 Circuit 2 Discharge Pressure Sensor Alarm
32 Circuit 1 Suction Temperature Sensor Alarm
33 Circuit 2 Suction Temperature Sensor Alarm
34 Circuit 1 Suction Pressure Sensor Alarm
35 Circuit 2 Suction Pressure Sensor Alarm
36 Circuit 1 Low Pressure
37 Circuit 2 Low Pressure
38 Circuit 1 High Pressure
39 Circuit 2 High Pressure
40 Circuit 1 Damper Failed to Open
41 Circuit 1 Damper Failed to Close
TABLE 11
MEGA-TEC Alarm Index
Index Description
42 Circuit 2 Damper Failed to Close
43 Circuit 2 Damper Failed to Open
44 Circuit 3 Damper Failed to Open
45 Circuit 3 Damper Failed to Close
46 Circuit 4 Damper Failed to Open
47 Circuit 4 Damper Failed to Close
48 Circuit 1 Freeze Temperature Sensor Alarm
49 Circuit 2 Freeze Temperature Sensor Alarm
50 Circuit 1 Freeze Condition
51 Circuit 2 Freeze Condition
52 Circuit 1 Blower Fail Alarm
53 Circuit 2 Blower Fail Alarm
54 Dirty Filter 1 Alarm
55 Dirty Filter 2 Alarm
56 Dirty Filter 3 Alarm
57 Dirty Filter 4 Alarm
58 Circuit 1 Dirty Condenser Coil Alarm
59 Circuit 2 Dirty Condenser Coil Alarm
60 Emergency Ventilation Mode Active
61 Emergency Cooling Mode Active
62 Extreme High Return Temp Alarm (Heat Cutout)
63 Unit Disable/Smoke Detector Alarm
64 Circuit 1 Power Loss Detected
65 Circuit 2 Power Loss Detected
66 Circuit 1 Low SuperHeat
67 Circuit 1 Low Evaporation Pressure
68 Circuit 1 High Evaporation Pressure
69 Circuit 1 High Condenser Temperature
70 Circuit 1 Low Suction Pressure
71 Circuit 1 EEV Motor Error
72 Circuit 1 Self Tuning Error
73 Circuit 1 Emergency Close
74 Circuit 1 High Delta Temperature
75 Circuit 1 High Delta Pressure
76 Circuit 1 Range Error
77 Circuit 1 Service Position Percent
78 Circuit 1 Valve ID
79 Circuit 2 Low SuperHeat
80 Circuit 2 Low Evaporation Pressure
81 Circuit 2 High Evaporation Pressure
82 Circuit 2 High Condenser Temperature
83 Circuit 2 Low Suction Pressure
Alarm Index