Bradford White Brute BNTH Installation And Operation Instructions Manual page 69

Brute
BOILERS AND VOLUME WATER HEATERS
62 Fan speed not
proved
63 LCI (Limit
Control Input)
OFF
64 PII (Pre-Ignition
Interlock) OFF
67 ILK (Interlock)
OFF
68 ILK (Interlock)
ON
70 Wait for leakage
test completion
78 Demand Lost in
Run
79 Outlet high limit
80 DHW (Domestic
Hot Water) high
limit
81 Delta T limit
82 Stack limit
91 Inlet sensor fault
92 Outlet sensor
fault
93 DHW (Domestic
Hot Water)
sensor fault
H Will not be a lockout fault. Hold Only.
H 1. Check wiring and correct any faults.
2. Check Interlocks connected to the LCI to assure proper function.
3. Reset and sequence the module; monitor the LCI status.
4. If code persists, replace the module
H or L 1. Check wiring and correct any faults.
2. Check Preignition Interlock switches to assure proper functioning.
3. Check the valve operation.
4. Reset and sequence the module; monitor the PII status.
5. If code persists, replace the module.
H or L 1. Check wiring and correct any possible shorts.
2. Check Interlock (ILK) switches to assure proper function.
3. Verify voltage through the interlock string to the interlock input with a
voltmeter.
4. If steps 1-3 are correct and the fault persists, replace the module.
H or L 1. Check wiring and correct any possible shorts.
2. Check Interlock (ILK) switches to assure proper function.
3. Verify voltage through the interlock string to the interlock input with a
voltmeter.
4. If steps 1-3 are correct and the fault persists, replace the module.
H 1. Internal Fault. Reset module.
2. If fault repeats, replace module.
H 1. Check wiring and correct any possible errors.
2. If previous steps are correct and fault persists, replace the module.
H or L 1. Check wiring and correct any possible errors.
2. Replace the outlet high limit.
3. If previous steps are correct and fault persists, replace the module.
H or L 1. Check wiring and correct any possible errors.
2. Replace the DHW high limit.
3. If previous steps are correct and fault persists, replace the module.
H or L 1. Check inlet and outlet sensors and pump circuits for proper operation.
2. Recheck the Delta T Limit to confi rm proper setting.
3. If previous steps are correct and fault persists, replace the module.
H or L 1. Check wiring and correct any possible errors.
2. Replace the Stack high limit.
3. If previous steps are correct and fault persists, replace the module.
H 1. Check wiring and correct any possible errors.
2. Replace the Inlet sensor.
3. If previous steps are correct and fault persists, replace the module.
H 1. Check wiring and correct any possible errors.
2. Replace the Outlet sensor.
3. If previous steps are correct and fault persists, replace the module.
H 1. Check wiring and correct any possible errors.
2. Replace the DHW sensor.
3. If previous steps are correct and fault persists, replace the module.
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