TABLE 9: UNIT CONTROL BOARD FLASH CODES
FLASH CODE
On Steady
This is a Control Failure
1 Flash
Not Applicable
2 Flashes
Control waiting ASCD
3 Flashes
HPS1 Compressor Lockout
4 Flashes
Not Applicable
5 Flashes
LPS1 Compressor Lockout
6 Flashes
Not Applicable
7 Flashes
FS1 Compressor Lockout
8 Flashes
Not Applicable
10 Flashes
Compressors Locked Out on Low Outdoor Air Temperature
12 Flashes
Unit Locked Out due to Fan Overload Switch Failure
13 Flashes
Compressor Held Off due to Low Voltage
14 Flashes
EEPROM Storage Failure
OFF
No Power or Control Failure
1.
Non-alarm condition.
Check
Alarm
History
Reset All
ASCDs for
One Cycle
Non Alarm
Condition Green
LED Flashing
Current Alarm
Flashed
Red LED
FIGURE 6 - UNIT CONTROL BOARD
14
DESCRIPTION
1
1
GREEN
RED
LED
LED
16
8
-
-
-
-
Flashing
Off
Off
Off
Off
Off
Off
Off
Off
Off
Off
Off
Off
On
1
Flashing
On
Off
On
Flashing
On
Off
On
Off
Off
292424-XIM-A-0307
RED
RED
RED
LED
LED
LED
4
2
1
-
-
-
-
-
-
Off
On
Off
Off
On
On
On
Off
Off
On
Off
On
On
On
Off
On
On
On
Off
Off
Off
Off
On
Off
On
Off
Off
On
Off
On
On
On
Off
Off
Off
Off
Unitary Products Group