Burnham PVG manual Green LED Status Codes

Green LED

Flash Code

Indicates

Next System Action

Recommended Service Action

(X + Y)a

OFF

No “Call for Heat”

N/A

None

Flash Fast

Startup - Flame sense

N/A

None

calibration

Heartbeat

Normal operation

N/A

None

If system fails to light on next trial

5 minute Retry Delay-

for ignition check gas supply, pilot

Initiate new trial for ignition after retry

burner, spark and flame sense wir-

2

Pilot flame not detected

delay completed.

ing, flame rod contamination or out

during trial for ignition

of position, burner ground connec-

tion.

If system fails to light on next trial

Recycle- Flame failed

Initiate new trial for ignition. Flash

for ignition check gas supply, pilot

3

code will remain through the ignition

burner, flame sense wiring, flame

during run

trial until flame is proved.

rod contamination, burner ground

connection.

If situation self corrects within 10

Check for pilot flame. Replace gas

seconds, control returns to normal

Flame sensed out of

valve if pilot flame present. If no

4

sequence. If flame out of sequence re-

sequence

pilot flame, cycle “Call for Heat.”

If

mains longer than 10 seconds, control

error repeats, replace control.

goes to Flash code 6+4 (see below)

Check flame sense lead wire for

Flame sense leakage to

Control remains in wait mode. When

damage or shorting. Check that

7

the fault corrects, control resumes nor-

flame rod is in proper position.

ground

mal operation after a one minute delay.

Check flame rod ceramic for cracks,

damage or tracking.

Control remains in wait mode. When

Check transformer and AC line for

Low secondary voltage

proper input voltage to the control.

8

the fault corrects, control resumes nor-

supply- (below 15.5 Vac)

Check with full system load on the

mal operation after one minute delay.

transformer.

5 minute Retry Delay-

Check gas supply, pilot burner, spark

Initiate new trial for ignition after retry

and flame sense wiring, flame rod

6 + 2

On every third retry on

delay completed.

contamination or out of position,

same “Call for Heat”

burner ground connection.

On every 6th flame

5 minute retry delay, then initiate new

Check gas supply, pilot burner, flame

6 + 3

failure during run on the

sense wiring, contamination of flame

trial for ignition.

same “Call for Heat”

rod, burner ground connection.

Flame sensed out of

Control waits until flame is no longer

Check for pilot flame. Replace gas

sensed and then goes to soft lockout.

valve if pilot flame present. If no

6 + 4

sequence- longer than

Flash code continues. Control auto

pilot flame, cycle “Call for Heat.”

If

10 seconds

resets from soft lockout after one hour.

error repeats, replace control.

Soft lockout due to error

Control auto resets from soft lockout

Reset by cycling “Call for Heat.”

If

ON

detected during self

after one hour.

error repeats, replace the control

check sequences

aFlash Code Descriptions: