Five Star Sr200na, Sr200lp,, Sr333na, Sr333lp,, Sr400na, Sr400lp Heater Will Not Fire D

Heater Will Not Fire - D

Start

Gas flows during igni- tion try, but burner does not fire.

YES

Check for 120 VAC at Igniter leads during ignition try.

NO

Check for 120 VAC between S1 and S2 terminals on Ignition Control Module during ignition try.

NO

Check for 120 VAC between L1 and L2 terminals on Ignition Control Module.

YES

Replace Ignition

Control Module.

NO

YES

YES

NO

Go back to chart “HEATER WILL NOT FIRE-C” (Page 26).

Check gas pressure? OK?

Fix wiring between S1 and S2 terminals on Ignition Control Module and HSI Igniter.

Fix wiring between L1 and L2 terminals on Ignition Control Module and Terminal Board.

YES

NO

Replace HSI Igniter.

Replace gas line with larger line or replace regulator.

27