Table 2-2. Unit Troubleshooting (Continued)
TEST OR INSPECTION
WATER HEATER BURNER FAILS TO IGNITE OR IGNITION IS DELAYED. (Cont)
Check for no connection of cable assembly from transformer to burner.
If cable is not connected, connect cable assembly.
If cable is connected properly, proceed to next step.
Check for proper operation of ignition transformer.
Observe for blue spark in sight glass; if no spark is present,
replace ignition transformer as follows:
(1) Tag and disconnect two transformer wires from contactor in
control box. Refer to FIGURE 2-5.
(2) Disconnect two electrode leads (1) from transformer (7).