6 TEE3C49A-SF-1B
AIR HANDLER FLASH CODES
Fault LED COMM LED
User Interface
Display
Comfort
Control
Display
Solid ON ‡ N/A CNTRL FAULT † ERR 18 18 Control Failure Internal Control Error
Solid ON ‡ N/A CHECK FUSE † N/A + 92 Fuse Failure 24V Fuse Open Error
1 Flash * N/A EXT SW OPEN * ERR 106 * 106
External
Shutdown Fault
External Shutdown Input Open Error
PM MEM ERR PM Data Corrupt Error
PM MISSING PM Missing Error
ID MTR ERR Motor Mismatch Error
PM UNIT ERR PM Unit Data Error
CAP MISMATCH
Compressor Capacity Mismatch
Error
PM DATA ERR PM Data Section Error
NO SYS CLK COMM Bit Master Clock Error
SYS COMM ERR COMM Heat/Cool Demand Error
3 Flash N/A BLW COMM ERR
Serial Motor Communication
Inactive Error ¹
3 Flash ** Fast Flash SYS COMM CRC COMM System Busy Error
3 Flash N/A BLW COMM CRC
Serial Motor Communication Busy
Error
HT+LK ON ERR
Both Interlock Relay & Heater Relay
Stuck Closed Error
INTLK ON ERR
Interlock Relay Stuck Closed
Error
NTLK OFF ERR Interlock Relay Stuck Open Error
HT ON ERR Heater Relay Stuck Closed Error
HT OFF ERR Heater Relay Stuck Open Error
DAS RNG ERR *
Discharge Air Temperature Range
Error
DAS UL ERR *
Discharge Air Temperature Upper
Limit Error
DAS LL ERR *
Discharge Air Temperature Lower
Limit Error
DAS SHORT * Discharge Air Sensor Short Error
DAS OPEN * Discharge Air Sensor Open Error
6 Flash * N/A RAS RNG ERR * N/A 117
Return Air
Temperature
Fault
Return Air Temperature Range
Error
RAS SHORT * Return Air Sensor Short Error
RAS OPEN * Return Air Sensor Open Error
Y1 ON ERR Y1 Relay Stuck Closed Error
Y1 OFF ERR Y1 Relay Stuck Open Error
8 Flash N/A TWIN ERROR N/A 19 Twinning Fault Air Handler Twinning Error
DEMAND ERR * Heat/Cool Demand Conflict Error
HT CFG ERR Electric Heat Configuration Error
ERR 118 *
N/A
N/A
4 Flash
5 Flash *
5 Flash *
6 Flash *
N/A
N/A
+ Fuse alert notification level would show on Comfort Control, but when fuse is open the COMM bus has no power
9 Flash N/A 123
Demand
Configuration
† If Air Handler processor is reset or fuse is open, COMM Alert cannot be reported; if the processor is reset
the User Interface will not be updated
* Alert flash code will not be implemented for initial release
‡ LitePort™ transmissions will be allowed during ON flash codes
Notes:
¹ Comfort Control will switch system to "OFF" until this fault condition clears
Discharge Air
Sensor Fault
52
Discharge Air
Temperature
Fault
118
7 Flash N/A Y1 Relay Fault
110
101ERR 101
Return Air
Sensor Fault
N/A
Communication
Busy Fault
90N/A
Heater Interlock
Relay Fault
105N/A
Heater Relay
Fault
104ERR 104
ERR 114
Alert Description
2 Flash N/A
PM Bad or
Missing Fault
114
Alert Notification
Alert
Code
Alert Group
N/A
Fast Flash3 Flash **
** COMM communication errors may also be flashed on Fault LED
91
N/A
ERR 91
ERR 105
N/A
Communication
Inactive Fault
4 Flash
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