XDV Direct Vent Gas Fireplace
Troubleshooting the Gas Control System
SIT 822 Valve with Synetek Electronic Control
Operating Diagram
Normal Operation | Abnormal Operation |
ON/OFF Switch Closed?
YES
Safe Start Check On?
YES
0 Sec Purge
Ignition Trial: 30 sec Spark ON Pilot Valve ON. Has Flame been Detected within 30 sec?
Spark Off. Main Valve ON.
Pilot Flame Continuously
Monitored
Pilot Flame Sense OK?
ON/OFF Switch Opened?
YES
Pilot and Main Valve OFF?
YES
0 sec Post Purge?
Heating Cycle Complete LED:
OFF
NO
NO
NO
5 sec
LED: Steady Flash?
Lockout: Flame detected out of sequence Reset by interrupting ON/OFF switch or power for 10 sec
LED: 5 Flashes?
Reverse power cord polarity
LED: 2 Flashes?
Reset by interrupting ON/OFF switch for power for 10 sec
YES
Pilot, Valve OFF, Spark OFFNO Have three ignition trials been completed?
LED: 3 Flashes?
Lockout: Flame Loss
Reset by interrupting ON/OFF switch or power for 10 sec
YES | Main Valve OFF, Spark ON |
| |||
| Has flame been detected within 30 sec? |
| |||
|
|
| NO |
| |
|
|
|
| ||
|
| Have three pilot flame losses been |
| YES | |
|
| detected? |
| ||
|
|
|
| ||
10009383 | 39 |