Hot Surface Igniter Testing Procedure - Bradford White EF100T150(E)*(N Service Manual

Hot surface Igniter Testing Procedure

Is igniter resistance
less than 150 Ohms
(cold)?
(see "check igniter
resistance" below)
N
Replace
hot surface igniter
(see "Hot Surface
Igniter Replacement
Procedure")
Volt meter set to
OHM setting
60
Refer to ignition module illustration below,
is there 120VAC across terminals
P6(1) and P6(2)?
Y
(Check during igniter warm up period,
indicated by the igniter LED glowing on the
ignition module).
Replace ignition module.
(see "Ignition Module
Replacement
Procedure")
Meter probe
Hot surface
igniter
CHECK IGNITER
RESISTANCE
120 volt potential exposure. Use caution
making voltage checks to avoid
personal injury. Igniter may be too hot
to handle, take necessary precautions
Y
connection from igniter
N
WARNING
Check harness
to ignition module.
IGNITION MODULE
60