Bryan Boilers Triple-Flex High Efficiency Boilers & 300 User Manual
Page 52

Date:
8-4-2010
Revision: 0
Form:
2396
46
Code Description
Recommended
Troubleshooting of Lockout Codes
Code
165
Block intake OFF
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
166-
171
RESERVED
172 Main
relay
feedback incorrect
L
173
Pilot relay feedback
incorrect
L
174 Safety
relay
feedback incorrect
L
175
Safety relay open
L
176
Main relay ON at
safe start check
L
177
Pilot relay ON at
safe start check
L
178
Safety relay ON at
safe start check
Internal Fault.
1. Reset Module.
2. If fault repeats, replace module.
L
179-
183
RESERVED
184
Invalid BLOWER /
HSI output setting
L
185
Invalid Delta T limit
enable setting
L
186
Invalid Delta T limit
response setting
L
187
Invalid DHW high
limit enable setting
L
188
Invalid DHW high
limit response
setting
L
189 Invalid
Flame
sensor type setting
L
190 Invalid
interrupted
air switch enable
setting
L
191 Invalid
interrupted
air switch start
check enable
setting
L
192 Invalid igniter on
during setting
L
193 Invalid
ignite
failure
delay setting
L
194 Invalid
ignite
failure
response setting
L
195 Invalid
ignite
failure
retries setting
1. Return to Configuration mode and recheck selected
parameters, reverify and reset module.
2. If fault repeats, verify electrical grounding.
3. If fault repeats, replace module.
L