Temperature Sensor Testing - Bradford White HE440S*F Service Manual

Blower Removal & Installation (cont'd)
Step 13. Reconnect the cord sets from Step 5.
Step 14. Plug the water heater into the wall outlet.
Step 15. To resume operation, follow the instructions located on the water heater
lighting instruction label. Or, use the lighting instructions located in the water heater
installation and operating manual.

Temperature Sensor Testing

Do not use standard multi-meter probes for this testing. Doing so will damage the con-
nector. Use special pin type electronic probes or small diameter wire pins inserted into
connector.
Follow the procedure, below, if the water heater gas control has gone into a ECO
lockout (4 flash, 3 second pause). Reset the gas control by rotating the setpoint knob
to the minimum setting for at least 6 seconds before returning to the desired water
temperature setting.
Step 1. Move the gas control power switch to the "OFF"
position.
Step 2. Unplug the water heater from the wall outlet.
Temperature Sensor Testing
CAUTION
Gas control power
switch
Blower (water heater)
power cord
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