Alarm Default Codes - York MILLENIUM SIMPLICITY ELITE Series Technical Application And Programming Manual

351579-YTS-B-0608
Table 13: Alarm Default Codes
Code
1
2
3
4
5
6
7
8
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
42
Compressor number one locked out on High Pressure Control
Compressor number two locked out on High Pressure Control
Compressor number three locked out on High Pressure Control
Compressor number four locked out on High Pressure Control
Compressor number one locked out on Low Pressure Control
Compressor number two locked out on Low Pressure Control
Compressor number three locked out on Low Pressure Control
Compressor number four locked out on Low Pressure Control
First stage heating is locked out due to excessive Limit Switch Trips
Second stage heating is locked out due to excessive Limit Switch Trips
Third stage heating is locked out due to excessive Limit Switch Trips
First stage of heating is locked out because the ignition board failed to turn on the gas valve after 5 minutes of operation or the gas
valve has voltage on it and the control is not calling for this stage of heating
Second stage of heating is locked out because the ignition board failed to turn on the gas valve after 5 minutes of operation or the
gas valve has voltage on it and the control is not calling for this stage of heating
Third stage of heating is locked out because the ignition board failed to turn on the gas valve after 5 minutes of operation or the gas
valve has voltage on it and the control is not calling for this stage of heating
Space Temperature Sensor has failed open or shorted
Supply Air Temperature Sensor has failed open or shorted
Return Air Temperature Sensor has failed open or shorted
Outside Air Temperature Sensor has failed open or shorted
Dirty Filter Switch has tripped
Unit has locked out on the APS. Air Pressure Switch.
The APS is stuck closed.
A microelectronics failure has occurred and the control is operating on defaults
A microelectronics failure has occurred and the control is down due to a fatal fault.
The control is locked out due to Fan Overload Trips
Outside Humidity Sensor is out of Range
Return Air Humidity Sensor is out of Range
IAQ Sensor is out of Range
Real Time Clock cannot be read and has a hardware failure
Space Temperature Offset is greater than 20K Ohms
CV/VAV input is out of range and the unit is locked out
Unit is locked out due to low voltage on the 24 VAC supply
Smoke Purge
Duct Static has Exceeded Limit
Supply Air Temperature Cooling
Supply Air Temperature Heating
Economizer Minimum Position
Space Temperature
Faulty Duct Static Pressure Sensor / Low Reading
Freeze Stat Trip
Cause
Johnson Controls Unitary Products