28
18-EB40D1-1C-EN
Figure 8. 208/230 Volt Speed Taps
LOAD
BLOWER
LOAD
INDUCER
YL
(CC1) RD
RD
(IDM) PR
PARK
IN
IN
( CC1) RD
LOAD
BLOWER
LOAD
INDUCER
YL
(CC1) RD
RD
(IDM) PR
PARK
IN
IN
( CC1) RD
Table 19. IGN LED Diagnostic Indicators
Status LED
Liteport LED
Steady OFF
Check Power or Failed Board 2 Flashes
System Lockout: Failed to detect or sustain
flame
Slow Flash Rate
Normal, No Call for Heat
3 Flashes
Pressure switch problem detected
Fast Flash Rate Not used 4 Flashes
High Limit switch protection device open
Steady ON Normal, No Call for Heat
5 Flashes
Flame sensed and gas valve not energized or
flame sensed and no “W” signal.
6 Flashes
Flame Rollout Switch open
7 Flashes
Thermostat miswired; W! & W2
Fast Flash Rate: The LED will flash on for 1/4 second and off for 1/4 second.
Slow Flash Rate: The LED will flash on for 3/4 second, then off for 1/4 second.
The pause between groups of fast flashes is 3 seconds.
UUnniitt SSttaarrttuupp
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