S-314 Checking Flame Sensor - Goodman AMH8 Service Instructions Manual

SERVICING
2. Check for 24 volts from W to C terminal on the ignition
control. No voltage. Check transformer, room thermo-
stat, and wiring.
If you have 24 volts coming off the transformer but re-
ceive approximately 13 volts on the terminal board be-
tween (C) and (R), check for blown fuse.
3. Check for 120 volts to the induced draft blower by mea-
suring voltage between Pin 1 (on the 2-pin connector)
and neutral located on circuit board. No voltage, check
for loose connection in the 2-pin connector or replace
ignition control.
PCBBF132 Control Board
PARK PARK EAC- H LINE- H
K1
K3
K2
FS
FAULT
RECALL
1 00 SE C
1 50 SE C
M OD E 2 STG
1 STG
5 M IN AUTO
WR50M56-289

S-314 CHECKING FLAME SENSOR

A flame sensing device is used in conjunction with the igni-
tion control module to prove combustion. If proof of flame is
not present the control will de-energize the gas valve and
"retry" for ignition or lockout.
Flame Sensor
(80% Upflow Model Shown, Counterflow Similar)
XFMR-H
K6 K4
K5
0130F00006
K7
Y W R G C
61