Johnson Controls DW-03 - Unit Control Board; Ignition Control Board Flash Codes

362247-BIM-B-0109
Johnson Controls Unitary Products 63
TABLE 39:UNIT CONTROL BOARD FLASH CODES
Flash Code Description
On Steady
Control Failure - Replace Control
Heart Beat
Normal Operation
1 Flash
Not Applicable
2 Flashes
Control waiting ASCD
1
1. These flash codes do not represent alarms.
3 Flashes
HPS1 - Compressor Lock out
5 Flashes
LPS1 - Compressor Lock out
7 Flashes
FS1 - Compressor Lock out
9 Flashes
Ignition Control Locked Out/
Ignition Control Failure / Limit Switch Trip / No
Jumper Plug in Heat Section
10 Flashes
Compressors Locked Out On Low
Outdoor Air Temperature
1
11 Flashes
Compressors Locked Out Because The
Economizer Is Using Free Cooling
1
13 Flashes
Compressor Held Off Due To Low Voltage
1
14 Flashes
EEPROM Storage Failure (Control Failure)
OFF
No Power or Control Failure
TABLE 40:IGNITION CONTROL BOARD FLASH CODES
Flash Code Description
Heart Beat
Normal Operation
1 Flash
Not Applicable
2 Flashes
Pressure / Centrifugal Switch Open with Inducer On
3 Flashes
Pressure / Centrifugal Switch Closed with Inducer Off
4 Flashes
Not Applicable
5 Flashes
Lock Out From Too Many Flame Losses
6 Flashes
High Temperature Switch Open (Primary or Aux.)
7 Flashes
Rollout Switch Open
8 Flashes
Flame Present With Gas Off
9 Flashes
Gas Valve Stuck Off or On
10 Flashes
Flame Sense Circuit Failure