Date:

8-4-2010

 

 

 

 

 

 

Revision:

0

 

 

 

 

 

 

Form:

2396

 

 

 

 

 

 

 

 

Code

Description

 

 

 

Recommended Troubleshooting of Lockout Codes

 

Code

15

Internal

 

 

fault:

 

 

L

 

Safety

relay

test

 

 

 

 

failed

due

 

to

 

 

 

 

feedback ON

 

 

 

 

 

16

Internal

 

 

fault:

 

 

L

 

Safety

relay

test

 

 

 

 

failed due to safety

 

 

 

 

relay OFF

 

 

 

 

 

 

17

Internal

 

 

fault:

 

 

L

 

Safety

relay

test

 

 

 

 

failed due to safety

 

 

 

 

relay not OFF

 

 

 

 

 

18

Internal

 

 

fault:

 

 

L

 

Safety

relay

test

 

 

 

 

failed

due

 

to

 

 

 

 

feedback not ON

 

 

 

 

19

Internal

 

 

fault:

 

 

L

 

Safety RAM write

 

 

 

 

20

Internal

 

 

fault:

 

 

H

 

Flame

ripple

and

 

 

 

 

overflow

 

 

 

 

 

 

21

Internal

 

 

fault:

 

 

H

 

Flame

number

of

 

 

 

 

sample mismatch

 

 

 

 

22

Internal

 

 

fault:

 

 

H

 

Flame

bias

out

of

 

 

 

 

range

 

 

 

 

 

 

 

23

Internal

fault:

Bias

 

 

H

 

changed

 

since

 

 

 

 

heating cycle starts

 

 

 

24

Internal fault: Spark

 

 

H

 

voltage stuck low or

 

 

 

 

high

 

 

 

 

 

 

 

25

Internal fault: Spark

 

 

H

 

voltage

changed

 

 

 

 

too much

during

 

 

 

 

flame sensing time

 

 

 

26

Internal fault: Static

 

 

H

 

flame ripple

 

 

 

 

 

 

27

Internal

 

 

fault:

 

 

H

 

Flame

rod

shorted

 

 

 

 

to ground detected

 

 

 

28

Internal

fault:

A/D

 

 

H

 

linearity test fails

 

 

 

 

29

Internal

 

 

fault:

 

 

H

 

Flame

bias

cannot

 

 

 

 

be set in range

 

 

 

 

30

Internal

 

 

fault:

 

 

H

 

Flame bias shorted

 

 

 

 

to adjacent pin

 

 

 

 

31

Internal

fault: SLO

 

 

H

 

electronics

 

 

 

 

 

 

 

unknown error

 

 

 

 

 

 

 

 

 

 

40

 

 

Page 46
Image 46
Bryan Boilers & 300, Triple-Flex 150, 250, 200 service manual Date