| 1 Flash |
Lockout due to Ignition Failure |
critical
|
| 1 flash |
Low Heat |
info
|
| 2 Flash |
Pressure Switch Stuck Open |
high
|
| 2 flash |
High Heat |
info
|
| 3 Flash |
Pressure Switch Stuck Closed |
high
|
| 3 flash |
Pressure Switch Open |
critical
|
| 4 Flash |
Open Limit Switch |
high
|
| 4 flash |
Limit Circuit Open |
critical
|
| 5 Flash |
Flame Sensed Without Call for Heat |
critical
|
| 5 flash |
Flame Sensed Out of Sequence |
critical
|
| 6 Flash |
Line Voltage Polarity Reversed |
medium
|
| 6 flash |
Ignition Lockout |
critical
|
| 7 Flash |
Gas Valve Circuit Failure |
high
|
| 7 flash |
Rollout Switch Open |
emergency
|