Bradford White D Series Service Manual page 28

Condition:
Error code 57: Flame Rod Shorted
to Ground
Disconnect power. Shut off gas
supply to water heater. Slide out
burner assembly (see section on
"removing pilot and main burner
assembly").
Make sure pilot shield
clears flame sense rod
Flame Sense Rod
Spark Electrode
28
Check to see if pilot shield is touching
pilot flame sensor or flame sensor
touching pilot hood. Bend shield to
prevent interference or replace pilot
shield.
Page 28
SERVICE PROCEDURE D24-II
Pilot Inspection
Check pilot flame sense wire for
broken insulation. Replace pilot if
defective
Reinstall pilot and burner assembly.
Reconnect gas line union, turn on
gas.
Check for Gas Leaks
Reconnect power and verify proper
ignitions.