Takagi T-K3 Service Manual page 30

10-18. Igniter
T-K3 Part #
-To ignite the gas/air mixtures when the T-K3 is ready to burn gas on its burner
surface.
Function
-The output voltage of the igniter is more than 14kV.
1. Unable to ignite during the ignition process.
Failure event
2. Makes attempts to ignite at all times.
1. The T-K3 cannot ignite during the ignition process and the "111" or "121" error
Effects on the T-K3
codes will display.
if the igniter fails
2. No effects on the T-K3, however, the durability of the igniter wears down.
Error codes when
Igniter fails.
1. Visual inspection: connection/breakage of wires and/or an observed weak
Diagnostic spark.
2. Check voltages: proper range of values shown below.
Color/Number of
Purple(7)-Purple(7) 90 VAC-110 VAC
wires
DC 14kV
High-voltage igniter cable
T o H i g h v a l t a g e
i g n i t e c a b l e
P o w e r s u p p l y
A C 9 0 t o 1 1 0 V
#704 Takagi Part #
111
AC 90 to 110V
EKN74 Checkpoint
121
Igniter
1- 3 /4 " ( 44 m m )
30
CONFIDENTIAL
T-K3 Servi c e Manual
Ver. 1.05
B2