CleaverBrooks CFC-1000 User Manual

CB FALCON
750-265 108
80 DHW high limit 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
81 Delta T limit 1. Check Inlet and Outlet sensors and pump circuits for
proper operation.
2. Recheck the Delta T Limit to confirm proper setting.
3. If previous steps are correct and fault persists, replace
the module.
H or L
82 Stack limit 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 or L
83 Delta T exchanger/outlet limit H or L
84 Delta T inlet/exchanger limit H or L
85 Inlet/outlet inversion limit H or L
86 Exchanger/outlet inversion limit H or L
87 Inlet/exchanger inversion limit H or L
88 Outlet T-rise limit H or L
89 Exchanger T-rise limit H or L
90 Heat exchanger high limit H or L
Sensor Faults
91 Inlet sensor fault 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
92 Outlet sensor fault 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
93 DHW sensor fault 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.
H
94 Header sensor fault 1. Check wiring and correct any possible errors.
2. Replace the header sensor.
3. If previous steps are correct and fault persists, replace
the module.
H
95 Stack sensor fault 1. Check wiring and correct any possible errors.
2. Replace the stack sensor.
3. If previous steps are correct and fault persists, replace
the module.
H
96 Outdoor sensor fault 1. Check wiring and correct any possible errors.
2. Replace the outdoor sensor.
3. If previous steps are correct and fault persists, replace
the module.
H
97 Internal Fault: A2D mismatch. Internal Fault.
1. Reset Module.
2. If fault repeats, replace module.
L
98 Internal Fault: Exceeded VSNSR voltage L
99 Internal Fault: Exceeded 28V voltage
tolerance
L
100 Pressure Sensor Fault 1. Verify the Pressure Sensor is a 4-20ma source.
2. Check wiring and correct any possible errors.
3. Test Pressure Sensor for correct operation.
4. Replace the Pressure sensor.
5. If previous steps are correct and fault persists, replace
the module.
H
Table 49. Falcon Lockout and Hold Codes. (Continued)
Code Description Recommended Troubleshooting of Lockout Codes NOTE

CleaverBrooks CFC-1000 Specifications

General

Brand	CleaverBrooks
Model	CFC-1000
Category	Boiler
Language	English