Bradford White Brute BNTH Installation And Operation Instructions Manual page 73

Brute
BOILERS AND VOLUME WATER HEATERS
165 Block intake
OFF
172 Main relay
feedback
incorrect
174 Safety relay
feedback
incorrect
175 Safety relay
open
176 Main relay ON
at safe start
check
178 Safety relay
ON at safe start
check
184 Invalid
BLOWER/ HSI
output setting
185 Invalid Delta
T limit enable
setting
186 Invalid Delta T
limit response
setting
187 Invalid DHW
(Domestic Hot
Water) high
limit enable
setting
188 Invalid DHW
(Domestic Hot
Water) high
limit response
setting
189 Invalid fl ame
sensor type
setting
L 1. Check wiring and correct any errors.
2. Inspect the Block Intake Switch to make sure it is working correctly.
3. Reset and sequence the module.
4. During Standby and Purge, measure the voltage across the switch.
Supply voltage should be present. If not, the Block Intake Switch is
defective and needs replacing.
5. If the fault persists, replace the relay 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.
L 1. Return to Confi guration mode and recheck selected parameters,
reverify and reset module.
2. If fault repeats, verify electrical grounding.
3. If fault repeats, replace module.
L 1. Return to Confi guration mode and recheck selected parameters,
reverify and reset module.
2. If fault repeats, verify electrical grounding.
3. If fault repeats, replace module.
L 1. Return to Confi guration mode and recheck selected parameters,
reverify and reset module.
2. If fault repeats, verify electrical grounding.
3. If fault repeats, replace module.
L 1. Return to Confi guration mode and recheck selected parameters,
reverify and reset module.
2. If fault repeats, verify electrical grounding.
3. If fault repeats, replace module.
L 1. Return to Confi guration mode and recheck selected parameters,
reverify and reset module.
2. If fault repeats, verify electrical grounding.
3. If fault repeats, replace module.
L 1. Return to Confi guration mode and recheck selected parameters,
reverify and reset module.
2. If fault repeats, verify electrical grounding.
3. If fault repeats, replace module.
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