Ignition issues
Issue
Diagnosis
Fix
Igniter probe/flame
sensor disconnected.
Reconnect probe.
Defective Control
Module.
Check ignition output from control
module.
Boiler will not attempt to ignite.
Fan and / or pump are off. Display
not illuminated
No power to boiler.
Check line voltage.
Defective transformer.
Check transformer. Reconnect or
replace as needed.
100
Section: Troubleshooting
Summary of Contents for SL Series
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Page 12: ...Figure 5 Top view SL 40 399 G3 Figure 6 Bottom view SL 40 399 G3 8 Section Specifications...
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Page 64: ...Figure 40 Electric wiring connections 60 Section Installation...
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Page 110: ...Internal wiring diagram Figure 46 Internal wiring diagram 106 Section Appendices...
Page 111: ...Sequence of operations Figure 47 Sequence of Operation 107 Sequence of operations...