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IGNITION FAILURE CHECK
1. A test of the flame rod circuit can also be performed at this time.
Disconnect the flame rod cable and attempt to start the burner.
The CB Falcon should lock out, indicating Lockout 109 Ignition
Failure.
2. Replace flame rod electrode and grounding tab.
After verifying proper operation of LGPS, HGPS, CAPS, and Gas
Valve, re-open the downstream manual shut-off valve.
4. PILOT TESTS (CFC 3300 ONLY)
PILOT FAIL CHECK
Close the gas pilot shutoff valve. Also shut off main fuel supply.
Attempt to start the burner. There should be an ignition spark, but no
pilot flame. The Falcon will lock out, indicating pilot failure.
Reset the Falcon, open the pilot shutoff valve, and re-establish fuel
supply before continuing.
PILOT HOLD TEST
On the Falcon display, go to Configure>Ignition and turn <Pilot
Hold> to ON. Open the manual valve on the pilot gas train, keeping
the downstream main gas valve closed. Initiate the burner sequence.
The burner will go through prepurge and will go to trial for pilot
ignition. Once the pilot is lit, check for flame signal on the Falcon
display and visually inspect the pilot flame through the sight port on
top of the boiler. Once a good pilot flame has been established, open
the downstream main gas shutoff valve and turn the Pilot Hold setting
to OFF. The Falcon will proceed to main flame trial for ignition.
5. LOW WATER CUTOFF Check
1. Hold down the LOW WATER RESET-TEST switch for 3 seconds.
2. Check Annunciation screen. The ILK section (Interlock circuit)
should show A3 LOW WATER: OFF (Figure 4-6).
3. Press RESET-TEST switch once to reset.
Part No. 750-263
Section 4 — CFC Commissioning
Figure 4-6 Low Water Cutoff test
4-21
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Table of Contents
Troubleshooting
