Laars MAGNATHERM MGH2000 Installation And Operation Instructions For page 74

Page 70
code Description
11 internal fault:
Invalid burner control state flag
12 internal fault:
Safety relay drive cap short
13 internal fault:
Pii (Pre-ignition interlock) shorted to
iLK (interlock)
15 internal fault:
Safety relay test failed due to feedback
On
16 internal fault:
Safety relay test failed due to safety
relay OFF
17 internal fault:
Safety relay test failed due to safety
relay not OFF
18 internal fault:
Safety relay test failed due to feedback
not On
19 internal fault:
Safety RAM write
20 internal fault:
Internal fault: Flame ripple and overflow
21 internal fault:
Flame number of sample mismatch
22 internal fault:
Flame bias out of range
23 internal fault:
Bias changed since heating cycle starts
24 internal fault:
Spark voltage stuck low or high
25 internal fault:
Spark voltage changed too much during
flame sensing time
LAARS Heating Systems
Lockout Procedure
or Hold
L internal fault
1. Reset module
2. if fault repeats, replace module.
H internal fault
1. Reset module
2. if fault repeats, replace module.
H or L internal fault
1. Reset module
2. if fault repeats, replace module.
L internal fault
1. Reset module
2. if fault repeats, replace module.
L internal fault
1. Reset module
2. if fault repeats, replace module.
L internal fault
1. Reset module
2. if fault repeats, replace module.
L internal fault
1. Reset module
2. if fault repeats, replace module.
L internal fault
1. Reset module
2. if fault repeats, replace module.
H internal fault
1. Reset module
2. if fault repeats, replace module.
H internal fault
1. Reset module
2. if fault repeats, replace module.
H internal fault
1. Reset module
2. if fault repeats, replace module.
H internal fault
1. Reset module
2. if fault repeats, replace module.
H internal fault
1. Reset module
2. if fault repeats, replace module.
H internal fault
1. Reset module
2. if fault repeats, replace module.