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Installer's
Guide
L. AIR HANDLER
FLASH
CODES
Solid ON $
Solid ON $
1 Flash *
2 Flash
3 Flash **
Fast Flash
3 Flash
3 Flash **
3 Flash
4 Flash
4 Flash
5 Flash *
5 Flash *
6 Flash *
6 Flash *
7 Flash
8 Flash
9 Flash
Fast Flash
CNTRL FAULT 1
ERR 18
18
CHECK FUSE 1
92
EXT SW OPEN *
ERR 106 *
106
PM MEM ERR
PM MISSING
ERR 114
ID MTR ERR
PM UNIT ERR
114
CAP MISMATCH
PM DATA ERR
NO SYS CLK
SYS COMM ERR
ERR 91
91
BLW COMM ERR
SYS COMM CRC
90
BLW COMM CRC
HT+LK ON ERR
INTLK ON ERR
ERR 105
105
Control
Failure
Fuse Failure
External
Shutdown
Fault
PM Bad or
Missing Fault
Communication
Inactive Fault
Communication
Busy Fault
Heater
Interlock
Relay Fault
NTLK OFF ERR
HT ON ERR
ERR 104
104
Heater Relay
HT OFF ERR
Fault
ERR 118"
118
DAS RNG ERR *
DAS UL ERR *
Discharge Air
Temperature
Fault
DAS LL ERR *
DAS SHORT *
52
Discharge Air
DAS OPEN *
Sensor Fault
Return Air
RAS RNG ERR *
117
Temperature
Fault
RAS SHORT *
Return Air
110
RAS OPEN *
Sensor Fault
Y1 ON ERR
ERR 101
101
Y1 Relay Fault
Y1 OFF ERR
TWIN ERROR
19
Twinning Fault
DEMAND ERR *
Demand
123
HT CFG ERR
Configuration
Internal Control Error
24V Fuse Open Error
External Shutdown Input Open Error
PM Data Corrupt Error
PM Missing Error
Motor Mismatch Error
PM Unit Data Error
Compressor Capacity Mismatch
Error
PM Data Section Error
COMM Bit Master Clock Error
COMM Heat/Cool Demand Error
Serial Motor Communication
Inactive Error 1
COMM System Busy Error
Serial Motor Communication Busy
Error
Both Interlock Relay & Heater Relay
Stuck Closed Error
Interlock Relay Stuck Closed
Error
Interlock Relay Stuck Open Error
Heater Relay Stuck Closed Error
Heater Relay Stuck Open Error
Discharge Air Temperature Range
Error
Discharge Air Temperature Upper
Limit Error
Discharge Air Temperature Lower
Limit Error
Discharge Air Sensor Short Error
Discharge Air Sensor Open Error
Return Air Temperature Range
Error
Return Air Sensor Short Error
Return Air Sensor Open Error
Y1 Relay Stuck Closed Error
Y1 Relay Stuck Open Error
Air Handler Twinning Error
Heat/Cool Demand Conflict Error
Electric Heat Configuration Error
t
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
**
COMM communication
errors may also be flashed on Fault LED
$
LitePort
TM
transmissions
will be allowed during ON flash codes
+
Fuse alert notification
level would show on Comfort Control, but when fuse is open the COMM bus has no power
Comfort
Control
will switch
system
to "OFF"
until this fault condition
clears
14
18-GELID1-4
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