Low water cutoff sees no water.
1. Is filed Sourced LWCO installed?
Yes: -> 2
No: Install LWCO wire to low Voltage terminal strip LWCO connections.
2. Disconnect LWCO from low voltage terminal strip. Check for continuity through LWCO safety circuit. Continuity?
Yes: -> 3
No: Check LWCO per manufacturer's instructions repair or replace.
3. Check low voltage terminal strip connections. Verify J16 connector is connected. Verify continuity between low voltage terminal strip LWCO connections and J16-1 and J16-4. Continuity?
Yes: Replace wire harness
No: Replace controle module