CleaverBrooks CFC User Manual

103 750-265
108 Flame lost in run 1. Inspect the main fuel valve (s) and connection (s).
2. Make sure that the fuel pressure is high enough to supply
fuel to the combustion chamber.
3. Make sure the flame detector is positioned to obtain the
required flame signal strength.
4. Reset the module and recycle.
5. If fault persists, replace the module.
109 Ignition failed 1. Check pilot valve (Main Valve for DSI) wiring and
operation - correct any errors.
2. Check the fuel supply.
3. Check furl pressure and repeat turndown tests.
4. Check ignition transformer electrode, flame detector,
flame detector siting or flame rod position.
5. If steps 1 through 4 are correct and the fault persists,
replace the module.
110 Ignition failure occurred Will not be a lockout fault. Hold Only.
111 RESERVED
112 Pilot test flame timeout Interrupted Pilot or DSI application and flame lost when
system in “test” mode.
1. Reset the module to restart.
113 Flame circuit timeout Will not be a lockout fault. Hold Only.
114-121 RESERVED
122 Lightoff rate proving failed 1. Check wiring and correct any potential wiring errors.
2. Check VFDs ability to change speeds.
3. Change the VFD.
4. If the fault persists, replace the module.
123 Purge rate proving failed 1. Check wiring and correct any potential wiring errors.
2. Check VFDs ability to change speeds.
3. Change the VFD.
4. If the fault persists, replace the module.
124 High fire switch OFF 1. Check wiring and correct any potential wiring errors.
2. Check High Fire Switch to assure proper function.
3. Manually drive the motor to the High Fire position and
adjust the HF switch while in this position and verify voltage
through the switch to the HFS input with a voltmeter.
4. If steps 1-3 are correct and the fault persists, replace the
module.
125 High fire switch stuck ON 1. Check wiring and correct any potential wiring errors.
2. Check High Fire Switch to assure proper function.
3. Manually drive the motor to the High Fire position and
adjust the HF switch while in this position and verify voltage
through the switch to the HFS input with a voltmeter.
4. If steps 1-3 are correct and the fault persists, replace the
module.
126 Low fire switch OFF 1. Check wiring and correct any potential wiring errors.
2. Check Low Fire Switch to assure proper function.
3. Manually drive the motor to the High Fire position and
adjust the LF switch while in this position and verify voltage
through the switch to the LFS input with a voltmeter.
4. If steps 1-3 are correct and the fault persists, replace the
module.
127 Low fire switch stuck ON 1. Check wiring and correct any potential wiring errors.
2. Check Low Fire Switch to assure proper function.
3. Manually drive the motor to the High Fire position and
adjust the LF switch while in this position and verify voltage
through the switch to the LFS input with a voltmeter.
4. If steps 1-3 are correct and the fault persists, replace the
module.
128-135 RESERVED
Table 45. Fault Code and Troubleshooting. (Continued)
Code Description Recommended Troubleshooting of Lockout Codes

CleaverBrooks CFC Specifications

General

Brand	CleaverBrooks
Model	CFC
Category	Boiler
Language	English