Bradford White Brute BNTH Installation And Operation Instructions Manual page 68

Page 64
27 Internal fault:
Flame rod
shorted to
ground detected
28 Internal fault:
A/D linearity
test fails
29 Internal fault:
Flame bias
cannot be set in
range
30 Internal fault:
Flame bias
shorted to
adjacent pin
31 Internal fault:
SLO electronics
unknown error
32-46 Internal fault:
Safety Key 0
through 14
47 Flame Rod to
ground leakage
48 Static fl ame (not
fl ickering)
49 24 VAC voltage
low/high
50 Modulation fault
51 Pump fault
52 Motor
tachometer fault
53 AC input phases
reversed
59 Internal Fault:
Mux pin shorted
61 Anti short cycle
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.
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 1. Check the module and display connections.
2. Check the module power supply and make sure that frequency, voltage
and VA meet the specifi cations.
H Internal sub-system fault.
1. Review alert messages for possible trends.
2. Correct possible problems.
H Internal sub-system fault.
1. Review alert messages for possible trends.
2. Correct possible problems.
H Internal sub-system fault.
1. Review alert messages for possible trends.
2. Correct possible problems.
L 1. Check the module and display connections.
2. Check the module power supply and make sure that both frequency
and voltage meet the specifi cations.
3. On 24 VAC applications, assure that J4 terminal 10 and J8 terminal 2
are connected together.
L Internal Fault.
1. Reset module.
2. If fault repeats, replace module.
H Will not be a lockout fault. Hold Only.
B W
RADFORD HITE