t TROUBLESHOOTING .

Start the system by setting the thermostat (tem- down to the next box. If the condition is not true or not
perature controller) to call for heat. Observe the system okay (answer is no), go to the box at right. Continue
response and establish the type of malfunction or checking and answering conditions in each box until a
deviation from normal operation by using Table 4. problem and/or repair is explained. After any main-
Use Table 4 by following the instructions in the tenance or repair, the troubleshooting sequence should
boxes. If the condition is true or okay (answer is yes), go be repeated until normal system operation is obtained.
TABLE 4-537 DIRECT SPARK IGNITION SYSTEM TROUBLESHOOTING
DIRECT SPARK IGNITIDN SYSTEM TROUBLESHOOTING TABLE
I NOTE: BEFORE TRO”BLE*HOOTING. BE S”RE START-UP AND CHECKOUT
START PROCEDURE HAS BEEN COYPLETEO. I
I TRO”BLESHOOTlNG ENDS 1 REPEAT PROCEDURE “NTlLTROUBLEFREE OPERATION IS OBTAINED. 1 I .1e.m
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