Flammable Vapor Sensor Testing & Replacement - Bradford White PDX Series Service Manual

PDX Series
Flammable Vapor Device Testing
Step 1. Position power switch on gas control to the
"OFF" position.
Step 2. Disconnect flammable vapor sensor from
gas control.
Step 3. Using a multi-meter set to the ohms setting
check resistance of flammable vapor sensor.
(see caution below)
Resistance must be within 3,000 ohms and
48,000 ohms. If outside of this range replace
flammable vapor sensor.
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Multi-meter set to
ohms setting
Electronic
"pin type"
Meter Probes
PDX SERVICE PROCEDURE VII
Flammable Vapors Sensor Testing
CAUTION
DO NOT use standard multimeter probes for this test. Doing
so will damage connector. Use special electronic "pin type"
probes or small diameter wire pins inserted into connector.
Flammable Vapor Sensor
Flammable Vapor
Sensor
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